FHIR CI-Build
MedicationsThis is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions 
| Responsible Owner: Pharmacy Work Group | Standards Status: Informative | Compartments: No defined compartments |
This is a representation of the json schema for Medication, which is just a part of the full JSON Schema.
{
"$schema": "http://json-schema.org/draft-06/schema#",
"id": "http://hl7.org/fhir/json-schema/Medication",
"$ref": "#/definitions/Medication",
"description": "see http://hl7.org/fhir/json.html#schema for information about the FHIR Json Schemas",
"definitions": {
"Medication": {
"description": "This resource is primarily used for the identification and definition of a medication, including ingredients, for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use.",
"properties": {
"resourceType": {
"description": "This is a Medication resource",
"const": "Medication"
},
"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. For DomainResources, if more than one implicitRules policy applies, additional policies may be conveyed using the [additionalImplicitRules](https://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-additionalImplicitRules.html) extension.",
"$ref": "#/definitions/uri"
},
"_implicitRules": {
"description": "Extensions for implicitRules",
"$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.",
"$ref": "Narrative.schema.json#/definitions/Narrative"
},
"contained": {
"description": "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, nor can they have their own independent transaction scope. This is allowed to be a Parameters resource if and only if it is referenced by a resource that provides context/meaning.",
"items": {
"$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 managable, 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": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"url": {
"description": "An absolute URI that is used to identify this Medication when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which an authoritative instance of this Medication is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the Medication is stored on different servers.",
"$ref": "#/definitions/uri"
},
"_url": {
"description": "Extensions for url",
"$ref": "Element.schema.json#/definitions/Element"
},
"identifier": {
"description": "Business identifier for this medication.",
"items": {
"$ref": "Identifier.schema.json#/definitions/Identifier"
},
"type": "array"
},
"version": {
"description": "The identifier that is used to identify this version of the Medication when it is referenced in a specification.",
"$ref": "#/definitions/string"
},
"_version": {
"description": "Extensions for version",
"$ref": "Element.schema.json#/definitions/Element"
},
"versionAlgorithmString": {
"description": "Indicates the mechanism used to compare versions to determine which is more current.",
"pattern": "^^[\\s\\S]+$$",
"type": "string"
},
"_versionAlgorithmString": {
"description": "Extensions for versionAlgorithmString",
"$ref": "Element.schema.json#/definitions/Element"
},
"versionAlgorithmCoding": {
"description": "Indicates the mechanism used to compare versions to determine which is more current.",
"$ref": "Coding.schema.json#/definitions/Coding"
},
"name": {
"description": "A natural language name identifying the Medication. This name should be usable as an identifier for the resource by machine processing applications such as code generation.",
"$ref": "#/definitions/string"
},
"_name": {
"description": "Extensions for name",
"$ref": "Element.schema.json#/definitions/Element"
},
"title": {
"description": "A short, descriptive, user-friendly title for the Medication.",
"$ref": "#/definitions/string"
},
"_title": {
"description": "Extensions for title",
"$ref": "Element.schema.json#/definitions/Element"
},
"status": {
"description": "The status of this Medication: whether the medication record is in use.",
"$ref": "#/definitions/code"
},
"_status": {
"description": "Extensions for status",
"$ref": "Element.schema.json#/definitions/Element"
},
"experimental": {
"description": "A Boolean value to indicate that this Medication is authored for testing purposes (or education/evaluation/marketing) and no version of this resource will ever be intended for genuine usage.",
"$ref": "#/definitions/boolean"
},
"_experimental": {
"description": "Extensions for experimental",
"$ref": "Element.schema.json#/definitions/Element"
},
"date": {
"description": "The date (and optionally time) when the Medication was last significantly changed. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the Medication changes.",
"$ref": "#/definitions/dateTime"
},
"_date": {
"description": "Extensions for date",
"$ref": "Element.schema.json#/definitions/Element"
},
"publisher": {
"description": "The name of the organization or individual responsible for the release and ongoing maintenance of the Medication.",
"$ref": "#/definitions/string"
},
"_publisher": {
"description": "Extensions for publisher",
"$ref": "Element.schema.json#/definitions/Element"
},
"contact": {
"description": "Contact details to assist a user in finding and communicating with the publisher.",
"items": {
"$ref": "ContactDetail.schema.json#/definitions/ContactDetail"
},
"type": "array"
},
"description": {
"description": "A free text natural language description of the Medication from a consumer\u0027s perspective.",
"$ref": "#/definitions/markdown"
},
"_description": {
"description": "Extensions for description",
"$ref": "Element.schema.json#/definitions/Element"
},
"useContext": {
"description": "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate Medications.",
"items": {
"$ref": "UsageContext.schema.json#/definitions/UsageContext"
},
"type": "array"
},
"jurisdiction": {
"description": "A legal or geographic region in which the authority that maintains the resource is operating. In general, the jurisdiction is also found in the useContext. The useContext may reference additional jurisdictions because the defining jurisdiction does not necessarily limit the jurisdictions of use.",
"items": {
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"type": "array"
},
"purpose": {
"description": "Explanation of why this Medication is needed and why it has been designed as it has.",
"$ref": "#/definitions/markdown"
},
"_purpose": {
"description": "Extensions for purpose",
"$ref": "Element.schema.json#/definitions/Element"
},
"copyright": {
"description": "A copyright statement relating to the Medication and/or its contents. Copyright statements are notices of intellectual property ownership and can include restrictions on the use and publishing of the Medication.",
"$ref": "#/definitions/markdown"
},
"_copyright": {
"description": "Extensions for copyright",
"$ref": "Element.schema.json#/definitions/Element"
},
"copyrightLabel": {
"description": "A short string (\u003c50 characters), suitable for inclusion in a page footer that identifies the copyright holder, effective period, and optionally whether rights are restricted. (e.g. \u0027All rights reserved\u0027, \u0027Some rights reserved\u0027).",
"$ref": "#/definitions/string"
},
"_copyrightLabel": {
"description": "Extensions for copyrightLabel",
"$ref": "Element.schema.json#/definitions/Element"
},
"code": {
"description": "A code (or set of codes) that specify this medication, or a textual description. Usage note: This could be a standard medication code such as a code from RxNorm, SNOMED CT, IDMP etc. It could also be a national or local formulary code, optionally with translations to other code systems. The name of the medication can be conveyed in the code.text even if it is different from any of the coding displayName values.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"marketingAuthorizationHolder": {
"description": "The company or other legal entity that has authorization, from the appropriate drug regulatory authority, to market a medicine in one or more jurisdictions. Typically abbreviated MAH.Note: The MAH may manufacture the product and may also contract the manufacturing of the product to one or more companies (organizations).",
"$ref": "Reference.schema.json#/definitions/Reference"
},
"doseForm": {
"description": "Describes the form of the item. Powder; tablets; capsule.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"packageSize": {
"description": "When the code does not specify the package size, this backbone element can be used to specify the overall amount of medication in the package.",
"$ref": "#/definitions/Medication_PackageSize"
},
"ingredient": {
"description": "Identifies a particular constituent of interest in the product.",
"items": {
"$ref": "#/definitions/Medication_Ingredient"
},
"type": "array"
},
"instance": {
"description": "Information that only applies to packages (not products).",
"$ref": "#/definitions/Medication_Instance"
},
"definition": {
"description": "A reference to a definitional resource that provides more information about this medication.",
"$ref": "Reference.schema.json#/definitions/Reference"
}
},
"type": "object",
"additionalProperties": false,
"required": [
"resourceType"
]
},
"Medication_PackageSize": {
"description": "This resource is primarily used for the identification and definition of a medication, including ingredients, for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"items": {
"$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 element and that modifies the understanding of the element in which it is contained 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 managable, 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.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"numberOfItems": {
"description": "The number of items in the package that are represented by the code, e.g. 5 vials or 100 tablets.",
"$ref": "Quantity.schema.json#/definitions/Quantity"
},
"amountPerItem": {
"description": "The amount per each item, e.g. 10 ml / vial.",
"$ref": "Ratio.schema.json#/definitions/Ratio"
}
},
"type": "object",
"additionalProperties": false
},
"Medication_Ingredient": {
"description": "This resource is primarily used for the identification and definition of a medication, including ingredients, for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "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 managable, 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": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"item": {
"description": "The ingredient (substance or medication) that the ingredient.strength relates to. This is represented as a concept from a code system or described in another resource (Substance or Medication).",
"$ref": "CodeableReference.schema.json#/definitions/CodeableReference"
},
"isActive": {
"description": "Indication of whether this ingredient affects the therapeutic action of the drug.",
"$ref": "#/definitions/boolean"
},
"_isActive": {
"description": "Extensions for isActive",
"$ref": "Element.schema.json#/definitions/Element"
},
"role": {
"description": "The (typically coded) functional role of the ingredient - for example active, excipient, adjuvant, solvent etc.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"strengthRatio": {
"description": "Specifies how many (or how much) of the items there are in this Medication. For example, 250 mg per tablet. This is expressed as a ratio where the numerator is 250mg and the denominator is 1 tablet but can also be expressed a quantity when the denominator is assumed to be 1 tablet.",
"$ref": "Ratio.schema.json#/definitions/Ratio"
},
"strengthCodeableConcept": {
"description": "Specifies how many (or how much) of the items there are in this Medication. For example, 250 mg per tablet. This is expressed as a ratio where the numerator is 250mg and the denominator is 1 tablet but can also be expressed a quantity when the denominator is assumed to be 1 tablet.",
"$ref": "CodeableConcept.schema.json#/definitions/CodeableConcept"
},
"strengthQuantity": {
"description": "Specifies how many (or how much) of the items there are in this Medication. For example, 250 mg per tablet. This is expressed as a ratio where the numerator is 250mg and the denominator is 1 tablet but can also be expressed a quantity when the denominator is assumed to be 1 tablet.",
"$ref": "Quantity.schema.json#/definitions/Quantity"
}
},
"type": "object",
"additionalProperties": false,
"required": [
"item"
]
},
"Medication_Instance": {
"description": "This resource is primarily used for the identification and definition of a medication, including ingredients, for the purposes of prescribing, dispensing, and administering a medication as well as for making statements about medication use.",
"properties": {
"id": {
"description": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"$ref": "string.schema.json#/definitions/string"
},
"extension": {
"description": "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 managable, 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": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"modifierExtension": {
"description": "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element\u0027s descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
"items": {
"$ref": "Extension.schema.json#/definitions/Extension"
},
"type": "array"
},
"identifier": {
"description": "Identifier for the physical instance, typically a serial number.",
"items": {
"$ref": "Identifier.schema.json#/definitions/Identifier"
},
"type": "array"
},
"lotNumber": {
"description": "The assigned lot number of a batch of the specified product.",
"$ref": "#/definitions/string"
},
"_lotNumber": {
"description": "Extensions for lotNumber",
"$ref": "Element.schema.json#/definitions/Element"
},
"expirationDate": {
"description": "When this specific instance of product will expire.",
"$ref": "#/definitions/dateTime"
},
"_expirationDate": {
"description": "Extensions for expirationDate",
"$ref": "Element.schema.json#/definitions/Element"
}
},
"type": "object",
"additionalProperties": false
}
}
}
FHIR ®© HL7.org 2011+. FHIR R6 hl7.fhir.r6.core#6.0.0-snapshot1 generated on Wed, Oct 7, 2026 14:17+0000.
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