Release 5 Preview #2
MedicationsThis page is part of the FHIR Specification (v4.4.0: R5 Preview #2). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
| Pharmacy Work Group | Maturity Level: N/A | Standards Status: Informative | Compartments: Encounter, Patient, Practitioner, RelatedPerson |
This is a representation of the json schema for MedicationUsage, which is just a part of the full JSON Schema.
{
"$schema": "http://json-schema.org/draft-06/schema#",
"id": "http://hl7.org/fhir/json-schema/MedicationUsage",
"$ref": "#/definitions/MedicationUsage",
"description": "see http://hl7.org/fhir/json.html#schema for information about the FHIR Json Schemas",
"definitions": {
"MedicationUsage": {
"description": "A record of a medication that is being consumed by a patient. A MedicationUsage may indicate that the patient may be taking the medication now or has taken the medication in the past or will be taking the medication in the future. The source of this information can be the patient, significant other (such as a family member or spouse), or a clinician. A common scenario where this information is captured is during the history taking process during a patient visit or stay. The medication information may come from sources such as the patient\u0027s memory, from a prescription bottle, or from a list of medications the patient, clinician or other party maintains. \n\nThe primary difference between a medicationusage and a medicationadministration is that the medication administration has complete administration information and is based on actual administration information from the person who administered the medication. A medicationusage is often, if not always, less specific. There is no required date/time when the medication was administered, in fact we only know that a source has reported the patient is taking this medication, where details such as time, quantity, or rate or even medication product may be incomplete or missing or less precise. As stated earlier, the Medication Usage information may come from the patient\u0027s memory, from a prescription bottle or from a list of medications the patient, clinician or other party maintains. Medication administration is more formal and is not missing detailed information.",
"properties": {
"resourceType": {
"description": "This is a MedicationUsage resource",
"const": "MedicationUsage"
},
"id": {
"description": "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
"$ref": "id.schema.json#/definitions/id"
},
"meta": {
"description": "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.",
"$ref": "Meta.schema.json#/definitions/Meta"
},
"implicitRules": {
"description": "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.",
"$ref": "#/definitions/uri"
},
"_implicitRules": {
"description": "Extensions for implicitRules",
"$ref": "Element.schema.json#/definitions/Element"
},
"language": {
"description": "The base language in which the resource is written.",
"$ref": "#/definitions/code"
},
"_language": {
"description": "Extensions for language",
"$ref": "Element.schema.json#/definitions/Element"
},
"text": {
"description": "A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
"$ref": "Narrative.schema.json#/definitions/Narrative"
},
"contained": {
"description": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.",
"items": {
"$ref": "ResourceList.schema.json#/definitions/ResourceList"
},
"type": "array"
},
"extension": {
"description": "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.",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"identifier": {
"description": "Identifiers associated with this Medication Usage 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.",
"items": {
"$ref": "Identifier.schema.json#/definitions/Identifier"
},
"type": "array"
},
"basedOn": {
"description": "A plan, proposal or order that is fulfilled in whole or in part by this event.",
"items": {
"$ref": "Reference.schema.json#/definitions/Reference"
},
"type": "array"
},
"partOf": {
"description": "A larger event of which this particular event is a component or step.",
"items": {
"$ref": "Reference.schema.json#/definitions/Reference"
},
"type": "array"
},
"status": {
"description": "A code representing the patient or other source\u0027s judgment about the state of the medication used that this usage is about. Generally, this will be active or completed.",
"$ref": "#/definitions/code"
},
"_status": {
"description": "Extensions for status",
"$ref": "Element.schema.json#/definitions/Element"
},
"statusReason": {
"description": "Captures the reason for the current state of the MedicationUsage.",
"items": {
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"type": "array"
},
"category": {
"description": "Type of medication usage (for example, drug classification like ATC, where meds would be administered, legal category of the medication.).",
"items": {
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"type": "array"
},
"medication": {
"description": "Identifies the medication being administered. This is either a link to a resource representing the details of the medication or a simple attribute carrying a code that identifies the medication from a known list of medications.",
"$ref": "CodeableReference.schema.json#/definitions/CodeableReference"
},
"subject": {
"description": "The person, animal or group who is/was taking the medication.",
"$ref": "Reference.schema.json#/definitions/Reference"
},
"encounter": {
"description": "The encounter that establishes the context for this MedicationUsage.",
"$ref": "Reference.schema.json#/definitions/Reference"
},
"effectiveDateTime": {
"description": "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 MedicationUsage.status element is NotTaken).",
"pattern": "^([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1])(T([01][0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\\.[0-9]+)?(Z|(\\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00)))?)?)?$",
"type": "string"
},
"_effectiveDateTime": {
"description": "Extensions for effectiveDateTime",
"$ref": "Element.schema.json#/definitions/Element"
},
"effectivePeriod": {
"description": "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 MedicationUsage.status element is NotTaken).",
"$ref": "Period.schema.json#/definitions/Period"
},
"dateAsserted": {
"description": "The date when the Medication Usage was asserted by the information source.",
"$ref": "#/definitions/dateTime"
},
"_dateAsserted": {
"description": "Extensions for dateAsserted",
"$ref": "Element.schema.json#/definitions/Element"
},
"informationSource": {
"description": "The person or organization that provided the information about the taking of this medication. Note: Use derivedFrom when a MedicationUsage is derived from other resources, e.g. Claim or MedicationRequest.",
"$ref": "Reference.schema.json#/definitions/Reference"
},
"derivedFrom": {
"description": "Allows linking the MedicationUsage to the underlying MedicationRequest, or to other information that supports or is used to derive the MedicationUsage.",
"items": {
"$ref": "Reference.schema.json#/definitions/Reference"
},
"type": "array"
},
"reason": {
"description": "A concept, Condition or observation that supports why the medication is being/was taken.",
"items": {
"$ref": "CodeableReference.schema.json#/definitions/CodeableReference"
},
"type": "array"
},
"note": {
"description": "Provides extra information about the Medication Usage that is not conveyed by the other attributes.",
"items": {
"$ref": "Annotation.schema.json#/definitions/Annotation"
},
"type": "array"
},
"renderedDosageInstruction": {
"description": "The full representation of the dose of the medication included in all dosage instructions. To be used when multiple dosage instructions are included to represent complex dosing such as increasing or tapering doses.",
"$ref": "#/definitions/string"
},
"_renderedDosageInstruction": {
"description": "Extensions for renderedDosageInstruction",
"$ref": "Element.schema.json#/definitions/Element"
},
"dosage": {
"description": "Indicates how the medication is/was or should be taken by the patient.",
"items": {
"$ref": "Dosage.schema.json#/definitions/Dosage"
},
"type": "array"
},
"takenAsOrdered": {
"description": "Indicates if the medication is being consumed or administered as prescribed.",
"$ref": "#/definitions/boolean"
},
"_takenAsOrdered": {
"description": "Extensions for takenAsOrdered",
"$ref": "Element.schema.json#/definitions/Element"
}
},
"additionalProperties": false,
"required": [
"subject",
"medication",
"resourceType"
]
}
}
}
FHIR ®© HL7.org 2011+. FHIR CI Build hl7.fhir.core#4.4.0 generated on Sun, May 3, 2020 08:47+1000.
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