{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "A molecular structure (molecule or part of a molecule) which is the part of the molecule causing the intended pharmacological action. The value set for ActiveMoietySubstanceType may often be a subset of a SubstanceType value set. Candidate value sets are subsets of ChEBI, PubChem CID, CAS Number, InChi Key, and UNII.\\r\\n\\r\\n**Examples:**\\r\\n\\r\\n *  Metoprolol (without the succinate or tartrate)\\r\\n *  Amoxicillin (anhydrous)\\r\\n *  Heparin (ion, without the matching Na or K cation)",
  "system" : "http://terminology.hl7.org/CodeSystem/conceptdomains",
  "property" : [ {
    "code" : "source",
    "valueCode" : "v3"
  }, {
    "code" : "ConceptualSpaceForClassCode",
    "valueCoding" : {
      "code" : "MMAT",
      "system" : "http://terminology.hl7.org/CodeSystem/v3-EntityClass"
    }
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "ClinicalDrug"
  } ],
  "codesystem" : "33eb862a-4e29-55df-b067-9b9d45b786af",
  "concept_id" : "a6383cdc-3e11-5f2e-b470-d441b13256a5",
  "ancestors" : {
    "DrugEntity" : 2,
    "EntityCode" : 4,
    "ClinicalDrug" : 1,
    "MaterialEntityClassType" : 3,
    "ActiveMoitySubstanceType" : 0
  },
  "id" : "908470be-1405-4651-b14f-10c2ab74a7cd",
  "code" : "ActiveMoitySubstanceType",
  "display" : "ActiveMoitySubstanceType",
  "version" : "3.0.0"
}