# Create FHIR r4 medication statement

Endpoint: POST /site/{siteId}/fhir/medication-statement
Version: 1.0
Security: bearer, bearer

## Path parameters:

  - `siteId` (string, required)
    Site identifier

## Request fields (application/json):

  - `resourceType` (any, required)
    This is a MedicationStatement resource
    Enum: "MedicationStatement"

  - `id` (string)
    Any combination of letters, numerals, "-" and ".", with a length limit of 64 characters.  (This might be an integer, an unprefixed OID, UUID or any other identifier pattern that meets these constraints.)  Ids are case-insensitive.
    Example: "example-id"

  - `meta` (object)
    The metadata about a resource. This is content in the resource that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.

  - `meta.id` (string)
    An extension object type #string.
    Example: "example-string"

  - `meta.extension` (array)
    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

  - `meta.versionId` (object)
    An extension object type #id.

  - `meta._versionId` (object)
    An extension object type #Element.

  - `meta.lastUpdated` (object)
    An extension object type #instant.

  - `meta._lastUpdated` (object)
    An extension object type #Element.

  - `meta.source` (string)
    An extension object type #uri.
    Example: "https://example.org/resource"

  - `meta._source` (object)
    An extension object type #Element.

  - `meta.profile` (array)
    A list of profiles (references to [[[StructureDefinition]]] resources) that this resource claims to conform to. The URL is a reference to [[[StructureDefinition.url]]].
    Example: ["http://example.org/Profile"]

  - `meta.security` (array)
    Security labels applied to this resource. These tags connect specific resources to the overall security policy and infrastructure.

  - `meta.tag` (array)
    Tags applied to this resource. Tags are intended to be used to identify and relate resources to process and workflow, and applications are not required to consider the tags when interpreting the meaning of a resource.

  - `implicitRules` (string)
    String of characters used to identify a name or a resource
    Example: "https://example.org/resource"

  - `_implicitRules` (object)
    Base definition for all elements in a resource.

  - `language` (string)
    A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents
    Example: "sample-code"

  - `_language` (object)
    Base definition for all elements in a resource.

  - `text` (object)
    A human-readable summary of the resource conveying the essential clinical and business information for the resource.

  - `text.status` (any)
    The status of the narrative - whether it's entirely generated (from just the defined data or the extensions too), or whether a human authored it and it may contain additional data.
    Enum: "generated", "extensions", "additional", "empty"

  - `text._status` (object)
    An extension object type #Element.

  - `text.div` (string, required)
    An extension object type #xhtml.
    Example: "<div>Example</div>"

  - `contained` (array)
    These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.

  - `extension` (array)
    May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
    Example: [{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-category","valueString":"Clinical.Medications"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":3},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category","valueCode":"patient"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"phx"}]

  - `extension.url` (string)
    An extension object type #uri.
    Example: "https://example.org/resource"

  - `extension._url` (object)
    An extension object type #Element.

  - `extension.valueBase64Binary` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "U2FtcGxl"

  - `extension._valueBase64Binary` (object)
    An extension object type #Element.

  - `extension.valueBoolean` (boolean)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: true

  - `extension._valueBoolean` (object)
    An extension object type #Element.

  - `extension.valueCanonical` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "http://example.org/Profile"

  - `extension._valueCanonical` (object)
    An extension object type #Element.

  - `extension.valueCode` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "sample-code"

  - `extension._valueCode` (object)
    An extension object type #Element.

  - `extension.valueDate` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "2024-01-01"

  - `extension._valueDate` (object)
    An extension object type #Element.

  - `extension.valueDateTime` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "2024-01-01T00:00:00Z"

  - `extension._valueDateTime` (object)
    An extension object type #Element.

  - `extension.valueDecimal` (number)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: 1.23

  - `extension._valueDecimal` (object)
    An extension object type #Element.

  - `extension.valueId` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "example-id"

  - `extension._valueId` (object)
    An extension object type #Element.

  - `extension.valueInstant` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "2024-01-01T00:00:00Z"

  - `extension._valueInstant` (object)
    An extension object type #Element.

  - `extension.valueInteger` (number)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: 1

  - `extension._valueInteger` (object)
    An extension object type #Element.

  - `extension.valueMarkdown` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "Sample markdown text"

  - `extension._valueMarkdown` (object)
    An extension object type #Element.

  - `extension.valueOid` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "urn:oid:1.2.3.4.5"

  - `extension._valueOid` (object)
    An extension object type #Element.

  - `extension.valuePositiveInt` (number)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: 1

  - `extension._valuePositiveInt` (object)
    An extension object type #Element.

  - `extension.valueString` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "example-string"

  - `extension._valueString` (object)
    An extension object type #Element.

  - `extension.valueTime` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "12:00:00"

  - `extension._valueTime` (object)
    An extension object type #Element.

  - `extension.valueUnsignedInt` (number)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).

  - `extension._valueUnsignedInt` (object)
    An extension object type #Element.

  - `extension.valueUri` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "https://example.org/resource"

  - `extension._valueUri` (object)
    An extension object type #Element.

  - `extension.valueUrl` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "https://example.org"

  - `extension._valueUrl` (object)
    An extension object type #Element.

  - `extension.valueUuid` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "urn:uuid:123e4567-e89b-12d3-a456-426614174000"

  - `extension._valueUuid` (object)
    An extension object type #Element.

  - `extension.valueAddress` (object)
    An extension object type #Address.

  - `extension.valueAge` (object)
    An extension object type #Age.

  - `extension.valueAnnotation` (object)
    An extension object type #Annotation.

  - `extension.valueAttachment` (object)
    An extension object type #Attachment.

  - `extension.valueCodeableConcept` (object)
    An extension object type #CodeableConcept.

  - `extension.valueCoding` (object)
    An extension object type #Coding.

  - `extension.valueContactPoint` (object)
    An extension object type #ContactPoint.

  - `extension.valueCount` (object)
    An extension object type #Count.

  - `extension.valueDistance` (object)
    An extension object type #Distance.

  - `extension.valueDuration` (object)
    An extension object type #Duration.

  - `extension.valueHumanName` (object)
    An extension object type #HumanName.

  - `extension.valueIdentifier` (object)
    An extension object type #Identifier.

  - `extension.valueMoney` (object)
    An extension object type #Money.

  - `extension.valuePeriod` (object)
    An extension object type #Period.

  - `extension.valueQuantity` (object)
    An extension object type #Quantity.

  - `extension.valueRange` (object)
    An extension object type #Range.

  - `extension.valueRatio` (object)
    An extension object type #Ratio.

  - `extension.valueReference` (object)
    An extension object type #Reference.

  - `extension.valueSampledData` (object)
    An extension object type #SampledData.

  - `extension.valueSignature` (object)
    An extension object type #Signature.

  - `extension.valueTiming` (object)
    An extension object type #Timing.

  - `extension.valueContactDetail` (object)
    An extension object type #ContactDetail.

  - `extension.valueContributor` (object)
    An extension object type #Contributor.

  - `extension.valueDataRequirement` (object)
    An extension object type #DataRequirement.

  - `extension.valueExpression` (object)
    An extension object type #Expression.

  - `extension.valueParameterDefinition` (object)
    An extension object type #ParameterDefinition.

  - `extension.valueRelatedArtifact` (object)
    An extension object type #RelatedArtifact.

  - `extension.valueTriggerDefinition` (object)
    An extension object type #TriggerDefinition.

  - `extension.valueUsageContext` (object)
    An extension object type #UsageContext.

  - `extension.valueDosage` (object)
    An extension object type #Dosage.

  - `extension.valueMeta` (object)
    An extension object type #Meta.

  - `modifierExtension` (array)
    May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

  - `identifier` (array)
    Identifiers associated with this Medication Statement that are defined by business processes and/or used to refer to it when a direct URL reference to the resource itself is not appropriate. They are business identifiers assigned to this resource by the performer or other systems and remain constant as the resource is updated and propagates from server to server.

  - `identifier.use` (any)
    The purpose of this identifier.
    Enum: "usual", "official", "temp", "secondary", "old"

  - `identifier._use` (object)
    An extension object type #Element.

  - `identifier.type` (object)
    An extension object type #CodeableConcept.

  - `identifier.system` (string)
    An extension object type #uri.
    Example: "https://example.org/resource"

  - `identifier._system` (object)
    An extension object type #Element.

  - `identifier.value` (string)
    An extension object type #string.
    Example: "example-string"

  - `identifier._value` (object)
    An extension object type #Element.

  - `identifier.period` (object)
    An extension object type #Period.

  - `identifier.assigner` (object)
    An extension object type #Reference.

  - `basedOn` (array)
    A plan, proposal or order that is fulfilled in whole or in part by this event.

  - `basedOn.reference` (string)
    An extension object type #string.
    Example: "example-string"

  - `basedOn._reference` (object)
    An extension object type #Element.

  - `basedOn.type` (string)
    An extension object type #uri.
    Example: "https://example.org/resource"

  - `basedOn._type` (object)
    An extension object type #Element.

  - `basedOn.identifier` (object)
    An extension object type #Identifier.

  - `basedOn.display` (string)
    An extension object type #string.
    Example: "example-string"

  - `basedOn._display` (object)
    An extension object type #Element.

  - `partOf` (array)
    A larger event of which this particular event is a component or step.

  - `status` (string)
    A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents
    Example: "sample-code"

  - `_status` (object)
    Base definition for all elements in a resource.

  - `statusReason` (array)
    Captures the reason for the current state of the MedicationStatement.

  - `statusReason.coding` (array)
    A reference to a code defined by a terminology system.

  - `statusReason.text` (string)
    An extension object type #string.
    Example: "example-string"

  - `statusReason._text` (object)
    An extension object type #Element.

  - `category` (object)
    A concept that may be defined by a formal reference to a terminology or ontology or may be provided by text.

  - `medicationCodeableConcept` (object)
    A concept that may be defined by a formal reference to a terminology or ontology or may be provided by text.

  - `medicationReference` (object)
    A reference from one resource to another.

  - `subject` (object, required)
    A reference from one resource to another.

  - `context` (object)
    A reference from one resource to another.

  - `effectiveDateTime` (string)
    The interval of time during which it is being asserted that the patient is/was/will be taking the medication (or was not taking, when the MedicationStatement.taken element is No).
    Example: "example-string"

  - `_effectiveDateTime` (object)
    Base definition for all elements in a resource.

  - `effectivePeriod` (object)
    A time period defined by a start and end date and optionally time.

  - `effectivePeriod.start` (string)
    An extension object type #dateTime.
    Example: "2024-01-01T00:00:00Z"

  - `effectivePeriod._start` (object)
    An extension object type #Element.

  - `effectivePeriod.end` (string)
    An extension object type #dateTime.
    Example: "2024-01-01T00:00:00Z"

  - `effectivePeriod._end` (object)
    An extension object type #Element.

  - `dateAsserted` (string)
    A date, date-time or partial date (e.g. just year or year + month).  If hours and minutes are specified, a time zone SHALL be populated. The format is a union of the schema types gYear, gYearMonth, date and dateTime. Seconds must be provided due to schema type constraints but may be zero-filled and may be ignored.                 Dates SHALL be valid dates.
    Example: "2024-01-01T00:00:00Z"

  - `_dateAsserted` (object)
    Base definition for all elements in a resource.

  - `informationSource` (object)
    A reference from one resource to another.

  - `derivedFrom` (array)
    Allows linking the MedicationStatement to the underlying MedicationRequest, or to other information that supports or is used to derive the MedicationStatement.

  - `reasonCode` (array)
    A reason for why the medication is being/was taken.

  - `reasonReference` (array)
    Condition or observation that supports why the medication is being/was taken.

  - `note` (array)
    Provides extra information about the medication statement that is not conveyed by the other attributes.

  - `note.authorReference` (object)
    An extension object type #Reference.

  - `note.authorString` (string)
    The individual responsible for making the annotation.
    Example: "example-string"

  - `note._authorString` (object)
    An extension object type #Element.

  - `note.time` (string)
    An extension object type #dateTime.
    Example: "2024-01-01T00:00:00Z"

  - `note._time` (object)
    An extension object type #Element.

  - `note.text` (object)
    An extension object type #markdown.

  - `dosage` (array)
    Indicates how the medication is/was or should be taken by the patient.

  - `dosage.modifierExtension` (array)
    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

  - `dosage.sequence` (integer)
    An extension object type #integer.
    Example: 1

  - `dosage._sequence` (object)
    An extension object type #Element.

  - `dosage.additionalInstruction` (array)
    Supplemental instructions to the patient on how to take the medication  (e.g. "with meals" or"take half to one hour before food") or warnings for the patient about the medication (e.g. "may cause drowsiness" or "avoid exposure of skin to direct sunlight or sunlamps").

  - `dosage.patientInstruction` (string)
    An extension object type #string.
    Example: "example-string"

  - `dosage._patientInstruction` (object)
    An extension object type #Element.

  - `dosage.timing` (object)
    An extension object type #Timing.

  - `dosage.asNeededBoolean` (boolean)
    Indicates whether the Medication is only taken when needed within a specific dosing schedule (Boolean option), or it indicates the precondition for taking the Medication (CodeableConcept).
    Example: true

  - `dosage._asNeededBoolean` (object)
    An extension object type #Element.

  - `dosage.asNeededCodeableConcept` (object)
    An extension object type #CodeableConcept.

  - `dosage.site` (object)
    An extension object type #CodeableConcept.

  - `dosage.route` (object)
    An extension object type #CodeableConcept.

  - `dosage.method` (object)
    An extension object type #CodeableConcept.

  - `dosage.doseAndRate` (array)
    The amount of medication administered.

  - `dosage.maxDosePerPeriod` (object)
    An extension object type #Ratio.

  - `dosage.maxDosePerAdministration` (object)
    An extension object type #Quantity.

  - `dosage.maxDosePerLifetime` (object)
    An extension object type #Quantity.

## Response 200 fields (application/json):

  - `resourceType` (any, required)
    This is a MedicationStatement resource
    Enum: "MedicationStatement"

  - `id` (string)
    Any combination of letters, numerals, "-" and ".", with a length limit of 64 characters.  (This might be an integer, an unprefixed OID, UUID or any other identifier pattern that meets these constraints.)  Ids are case-insensitive.
    Example: "example-id"

  - `meta` (object)
    The metadata about a resource. This is content in the resource that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.

  - `meta.id` (string)
    An extension object type #string.
    Example: "example-string"

  - `meta.extension` (array)
    May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

  - `meta.versionId` (object)
    An extension object type #id.

  - `meta._versionId` (object)
    An extension object type #Element.

  - `meta.lastUpdated` (object)
    An extension object type #instant.

  - `meta._lastUpdated` (object)
    An extension object type #Element.

  - `meta.source` (string)
    An extension object type #uri.
    Example: "https://example.org/resource"

  - `meta._source` (object)
    An extension object type #Element.

  - `meta.profile` (array)
    A list of profiles (references to [[[StructureDefinition]]] resources) that this resource claims to conform to. The URL is a reference to [[[StructureDefinition.url]]].
    Example: ["http://example.org/Profile"]

  - `meta.security` (array)
    Security labels applied to this resource. These tags connect specific resources to the overall security policy and infrastructure.

  - `meta.tag` (array)
    Tags applied to this resource. Tags are intended to be used to identify and relate resources to process and workflow, and applications are not required to consider the tags when interpreting the meaning of a resource.

  - `implicitRules` (string)
    String of characters used to identify a name or a resource
    Example: "https://example.org/resource"

  - `_implicitRules` (object)
    Base definition for all elements in a resource.

  - `language` (string)
    A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents
    Example: "sample-code"

  - `_language` (object)
    Base definition for all elements in a resource.

  - `text` (object)
    A human-readable summary of the resource conveying the essential clinical and business information for the resource.

  - `text.status` (any)
    The status of the narrative - whether it's entirely generated (from just the defined data or the extensions too), or whether a human authored it and it may contain additional data.
    Enum: "generated", "extensions", "additional", "empty"

  - `text._status` (object)
    An extension object type #Element.

  - `text.div` (string, required)
    An extension object type #xhtml.
    Example: "<div>Example</div>"

  - `contained` (array)
    These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.

  - `extension` (array)
    May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.
    Example: [{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-category","valueString":"Clinical.Medications"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"trial-use"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":3},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category","valueCode":"patient"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"phx"}]

  - `extension.url` (string)
    An extension object type #uri.
    Example: "https://example.org/resource"

  - `extension._url` (object)
    An extension object type #Element.

  - `extension.valueBase64Binary` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "U2FtcGxl"

  - `extension._valueBase64Binary` (object)
    An extension object type #Element.

  - `extension.valueBoolean` (boolean)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: true

  - `extension._valueBoolean` (object)
    An extension object type #Element.

  - `extension.valueCanonical` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "http://example.org/Profile"

  - `extension._valueCanonical` (object)
    An extension object type #Element.

  - `extension.valueCode` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "sample-code"

  - `extension._valueCode` (object)
    An extension object type #Element.

  - `extension.valueDate` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "2024-01-01"

  - `extension._valueDate` (object)
    An extension object type #Element.

  - `extension.valueDateTime` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "2024-01-01T00:00:00Z"

  - `extension._valueDateTime` (object)
    An extension object type #Element.

  - `extension.valueDecimal` (number)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: 1.23

  - `extension._valueDecimal` (object)
    An extension object type #Element.

  - `extension.valueId` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "example-id"

  - `extension._valueId` (object)
    An extension object type #Element.

  - `extension.valueInstant` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "2024-01-01T00:00:00Z"

  - `extension._valueInstant` (object)
    An extension object type #Element.

  - `extension.valueInteger` (number)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: 1

  - `extension._valueInteger` (object)
    An extension object type #Element.

  - `extension.valueMarkdown` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "Sample markdown text"

  - `extension._valueMarkdown` (object)
    An extension object type #Element.

  - `extension.valueOid` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "urn:oid:1.2.3.4.5"

  - `extension._valueOid` (object)
    An extension object type #Element.

  - `extension.valuePositiveInt` (number)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: 1

  - `extension._valuePositiveInt` (object)
    An extension object type #Element.

  - `extension.valueString` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "example-string"

  - `extension._valueString` (object)
    An extension object type #Element.

  - `extension.valueTime` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "12:00:00"

  - `extension._valueTime` (object)
    An extension object type #Element.

  - `extension.valueUnsignedInt` (number)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).

  - `extension._valueUnsignedInt` (object)
    An extension object type #Element.

  - `extension.valueUri` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "https://example.org/resource"

  - `extension._valueUri` (object)
    An extension object type #Element.

  - `extension.valueUrl` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "https://example.org"

  - `extension._valueUrl` (object)
    An extension object type #Element.

  - `extension.valueUuid` (string)
    Value of extension - must be one of a constrained set of the data types (see [Extensibility](https://hl7.org/fhir/extensibility.html) for a list).
    Example: "urn:uuid:123e4567-e89b-12d3-a456-426614174000"

  - `extension._valueUuid` (object)
    An extension object type #Element.

  - `extension.valueAddress` (object)
    An extension object type #Address.

  - `extension.valueAge` (object)
    An extension object type #Age.

  - `extension.valueAnnotation` (object)
    An extension object type #Annotation.

  - `extension.valueAttachment` (object)
    An extension object type #Attachment.

  - `extension.valueCodeableConcept` (object)
    An extension object type #CodeableConcept.

  - `extension.valueCoding` (object)
    An extension object type #Coding.

  - `extension.valueContactPoint` (object)
    An extension object type #ContactPoint.

  - `extension.valueCount` (object)
    An extension object type #Count.

  - `extension.valueDistance` (object)
    An extension object type #Distance.

  - `extension.valueDuration` (object)
    An extension object type #Duration.

  - `extension.valueHumanName` (object)
    An extension object type #HumanName.

  - `extension.valueIdentifier` (object)
    An extension object type #Identifier.

  - `extension.valueMoney` (object)
    An extension object type #Money.

  - `extension.valuePeriod` (object)
    An extension object type #Period.

  - `extension.valueQuantity` (object)
    An extension object type #Quantity.

  - `extension.valueRange` (object)
    An extension object type #Range.

  - `extension.valueRatio` (object)
    An extension object type #Ratio.

  - `extension.valueReference` (object)
    An extension object type #Reference.

  - `extension.valueSampledData` (object)
    An extension object type #SampledData.

  - `extension.valueSignature` (object)
    An extension object type #Signature.

  - `extension.valueTiming` (object)
    An extension object type #Timing.

  - `extension.valueContactDetail` (object)
    An extension object type #ContactDetail.

  - `extension.valueContributor` (object)
    An extension object type #Contributor.

  - `extension.valueDataRequirement` (object)
    An extension object type #DataRequirement.

  - `extension.valueExpression` (object)
    An extension object type #Expression.

  - `extension.valueParameterDefinition` (object)
    An extension object type #ParameterDefinition.

  - `extension.valueRelatedArtifact` (object)
    An extension object type #RelatedArtifact.

  - `extension.valueTriggerDefinition` (object)
    An extension object type #TriggerDefinition.

  - `extension.valueUsageContext` (object)
    An extension object type #UsageContext.

  - `extension.valueDosage` (object)
    An extension object type #Dosage.

  - `extension.valueMeta` (object)
    An extension object type #Meta.

  - `modifierExtension` (array)
    May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

  - `identifier` (array)
    Identifiers associated with this Medication Statement that are defined by business processes and/or used to refer to it when a direct URL reference to the resource itself is not appropriate. They are business identifiers assigned to this resource by the performer or other systems and remain constant as the resource is updated and propagates from server to server.

  - `identifier.use` (any)
    The purpose of this identifier.
    Enum: "usual", "official", "temp", "secondary", "old"

  - `identifier._use` (object)
    An extension object type #Element.

  - `identifier.type` (object)
    An extension object type #CodeableConcept.

  - `identifier.system` (string)
    An extension object type #uri.
    Example: "https://example.org/resource"

  - `identifier._system` (object)
    An extension object type #Element.

  - `identifier.value` (string)
    An extension object type #string.
    Example: "example-string"

  - `identifier._value` (object)
    An extension object type #Element.

  - `identifier.period` (object)
    An extension object type #Period.

  - `identifier.assigner` (object)
    An extension object type #Reference.

  - `basedOn` (array)
    A plan, proposal or order that is fulfilled in whole or in part by this event.

  - `basedOn.reference` (string)
    An extension object type #string.
    Example: "example-string"

  - `basedOn._reference` (object)
    An extension object type #Element.

  - `basedOn.type` (string)
    An extension object type #uri.
    Example: "https://example.org/resource"

  - `basedOn._type` (object)
    An extension object type #Element.

  - `basedOn.identifier` (object)
    An extension object type #Identifier.

  - `basedOn.display` (string)
    An extension object type #string.
    Example: "example-string"

  - `basedOn._display` (object)
    An extension object type #Element.

  - `partOf` (array)
    A larger event of which this particular event is a component or step.

  - `status` (string)
    A string which has at least one character and no leading or trailing whitespace and where there is no whitespace other than single spaces in the contents
    Example: "sample-code"

  - `_status` (object)
    Base definition for all elements in a resource.

  - `statusReason` (array)
    Captures the reason for the current state of the MedicationStatement.

  - `statusReason.coding` (array)
    A reference to a code defined by a terminology system.

  - `statusReason.text` (string)
    An extension object type #string.
    Example: "example-string"

  - `statusReason._text` (object)
    An extension object type #Element.

  - `category` (object)
    A concept that may be defined by a formal reference to a terminology or ontology or may be provided by text.

  - `medicationCodeableConcept` (object)
    A concept that may be defined by a formal reference to a terminology or ontology or may be provided by text.

  - `medicationReference` (object)
    A reference from one resource to another.

  - `subject` (object, required)
    A reference from one resource to another.

  - `context` (object)
    A reference from one resource to another.

  - `effectiveDateTime` (string)
    The interval of time during which it is being asserted that the patient is/was/will be taking the medication (or was not taking, when the MedicationStatement.taken element is No).
    Example: "example-string"

  - `_effectiveDateTime` (object)
    Base definition for all elements in a resource.

  - `effectivePeriod` (object)
    A time period defined by a start and end date and optionally time.

  - `effectivePeriod.start` (string)
    An extension object type #dateTime.
    Example: "2024-01-01T00:00:00Z"

  - `effectivePeriod._start` (object)
    An extension object type #Element.

  - `effectivePeriod.end` (string)
    An extension object type #dateTime.
    Example: "2024-01-01T00:00:00Z"

  - `effectivePeriod._end` (object)
    An extension object type #Element.

  - `dateAsserted` (string)
    A date, date-time or partial date (e.g. just year or year + month).  If hours and minutes are specified, a time zone SHALL be populated. The format is a union of the schema types gYear, gYearMonth, date and dateTime. Seconds must be provided due to schema type constraints but may be zero-filled and may be ignored.                 Dates SHALL be valid dates.
    Example: "2024-01-01T00:00:00Z"

  - `_dateAsserted` (object)
    Base definition for all elements in a resource.

  - `informationSource` (object)
    A reference from one resource to another.

  - `derivedFrom` (array)
    Allows linking the MedicationStatement to the underlying MedicationRequest, or to other information that supports or is used to derive the MedicationStatement.

  - `reasonCode` (array)
    A reason for why the medication is being/was taken.

  - `reasonReference` (array)
    Condition or observation that supports why the medication is being/was taken.

  - `note` (array)
    Provides extra information about the medication statement that is not conveyed by the other attributes.

  - `note.authorReference` (object)
    An extension object type #Reference.

  - `note.authorString` (string)
    The individual responsible for making the annotation.
    Example: "example-string"

  - `note._authorString` (object)
    An extension object type #Element.

  - `note.time` (string)
    An extension object type #dateTime.
    Example: "2024-01-01T00:00:00Z"

  - `note._time` (object)
    An extension object type #Element.

  - `note.text` (object)
    An extension object type #markdown.

  - `dosage` (array)
    Indicates how the medication is/was or should be taken by the patient.

  - `dosage.modifierExtension` (array)
    May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

  - `dosage.sequence` (integer)
    An extension object type #integer.
    Example: 1

  - `dosage._sequence` (object)
    An extension object type #Element.

  - `dosage.additionalInstruction` (array)
    Supplemental instructions to the patient on how to take the medication  (e.g. "with meals" or"take half to one hour before food") or warnings for the patient about the medication (e.g. "may cause drowsiness" or "avoid exposure of skin to direct sunlight or sunlamps").

  - `dosage.patientInstruction` (string)
    An extension object type #string.
    Example: "example-string"

  - `dosage._patientInstruction` (object)
    An extension object type #Element.

  - `dosage.timing` (object)
    An extension object type #Timing.

  - `dosage.asNeededBoolean` (boolean)
    Indicates whether the Medication is only taken when needed within a specific dosing schedule (Boolean option), or it indicates the precondition for taking the Medication (CodeableConcept).
    Example: true

  - `dosage._asNeededBoolean` (object)
    An extension object type #Element.

  - `dosage.asNeededCodeableConcept` (object)
    An extension object type #CodeableConcept.

  - `dosage.site` (object)
    An extension object type #CodeableConcept.

  - `dosage.route` (object)
    An extension object type #CodeableConcept.

  - `dosage.method` (object)
    An extension object type #CodeableConcept.

  - `dosage.doseAndRate` (array)
    The amount of medication administered.

  - `dosage.maxDosePerPeriod` (object)
    An extension object type #Ratio.

  - `dosage.maxDosePerAdministration` (object)
    An extension object type #Quantity.

  - `dosage.maxDosePerLifetime` (object)
    An extension object type #Quantity.

## Response 401 fields (application/json):

  - `message` (string, required)
    Error message indicating unauthorized access.
    Example: "Unauthorized"

  - `statusCode` (number, required)
    HTTP status code for unauthorized access.
    Example: 401


## Response 400 fields

## Response 404 fields