json_schema: {"schema": "http://json-schema.org/draft-04/schema#", "$id": "http://hl7.org/fhir/json-schema/Substance", "$ref": "#/definitions/Substance", "description": "see http://hl7.org/fhir/json.html#schema for information about the FHIR Json Schemas", "definitions": {"Substance": {"allOf": [{"$ref": "DomainResource#/definitions/DomainResource"}, {"description": "A homogeneous material with a definite composition.", "properties": {"resourceType": {"description": "This is a Substance resource", "type": "string", "enum": ["Substance"]}, "identifier": {"description": "Unique identifier for the substance.", "type": "array", "items": {"$ref": "http://hl7.org/fhir/json-schema/Identifier#/definitions/Identifier"}}, "status": {"description": "A code to indicate if the substance is actively used.", "enum": ["active", "inactive", "entered-in-error"], "type": "string"}, "_status": {"description": "Extensions for status", "$ref": "http://hl7.org/fhir/json-schema/Element#/definitions/Element"}, "category": {"description": "A code that classifies the general type of substance.  This is used  for searching, sorting and display purposes.", "type": "array", "items": {"$ref": "http://hl7.org/fhir/json-schema/CodeableConcept#/definitions/CodeableConcept"}}, "code": {"description": "A code (or set of codes) that identify this substance.", "$ref": "http://hl7.org/fhir/json-schema/CodeableConcept#/definitions/CodeableConcept"}, "description": {"description": "A description of the substance - its appearance, handling requirements, and other usage notes.", "type": "string"}, "_description": {"description": "Extensions for description", "$ref": "http://hl7.org/fhir/json-schema/Element#/definitions/Element"}, "instance": {"description": "Substance may be used to describe a kind of substance, or a specific package/container of the substance: an instance.", "type": "array", "items": {"$ref": "#/definitions/Substance_Instance"}}, "ingredient": {"description": "A substance can be composed of other substances.", "type": "array", "items": {"$ref": "#/definitions/Substance_Ingredient"}}}, "required": ["code", "resourceType"]}]}, "Substance_Instance": {"allOf": [{"$ref": "BackboneElement#/definitions/BackboneElement"}, {"description": "A homogeneous material with a definite composition.", "properties": {"identifier": {"description": "Identifier associated with the package/container (usually a label affixed directly).", "$ref": "http://hl7.org/fhir/json-schema/Identifier#/definitions/Identifier"}, "expiry": {"description": "When the substance is no longer valid to use. For some substances, a single arbitrary date is used for expiry.", "type": "string", "pattern": "-?[0-9]{4}(-(0[1-9]|1[0-2])(-(0[0-9]|[1-2][0-9]|3[0-1])(T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9](\\.[0-9]+)?(Z|(\\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00)))?)?)?"}, "_expiry": {"description": "Extensions for expiry", "$ref": "http://hl7.org/fhir/json-schema/Element#/definitions/Element"}, "quantity": {"description": "The amount of the substance.", "$ref": "http://hl7.org/fhir/json-schema/Quantity#/definitions/Quantity"}}}]}, "Substance_Ingredient": {"allOf": [{"$ref": "BackboneElement#/definitions/BackboneElement"}, {"description": "A homogeneous material with a definite composition.", "properties": {"quantity": {"description": "The amount of the ingredient in the substance - a concentration ratio.", "$ref": "http://hl7.org/fhir/json-schema/Ratio#/definitions/Ratio"}, "substanceCodeableConcept": {"description": "Another substance that is a component of this substance.", "$ref": "http://hl7.org/fhir/json-schema/CodeableConcept#/definitions/CodeableConcept"}, "substanceReference": {"description": "Another substance that is a component of this substance.", "$ref": "http://hl7.org/fhir/json-schema/Reference#/definitions/Reference"}}}]}}}