{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "**Description:** Active ingredient, where not the ingredient substance (player) but another reference substance with the same active moiety, is the \\\"basis of strength\\\", i.e., where the Role.quantity specifies the quantity of a reference substance, similar but different from the player substance's in the medicine formulation.\\r\\n\\r\\n**Examples:** Toprol-XL 50 mg contains 47.5 mg of metoprolol succinate equivalent to 50 mg of metoprolol tartrate.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-RoleClass",
  "property" : [ {
    "code" : "status",
    "valueCode" : "active"
  }, {
    "code" : "internalId",
    "valueCode" : "22398"
  }, {
    "code" : "Name:Class",
    "valueCode" : "activeIngredientReferenceSubstanceIsBasisOfStrength"
  }, {
    "code" : "Name:Entity:playedRole:Role",
    "valueString" : "as&"
  }, {
    "code" : "Name:Entity:scopedRole:Role",
    "valueString" : "&"
  }, {
    "code" : "Name:Participation:role:Role",
    "valueString" : "&"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "ACTI"
  } ],
  "codesystem" : "4dad9fbb-56c6-5858-be58-40bd1e39fc29",
  "concept_id" : "56d68085-3663-516b-8ace-76c1e379ede9",
  "ancestors" : {
    "ROL" : 4,
    "ACTI" : 1,
    "INGR" : 2,
    "ACTIR" : 0,
    "_RoleClassPartitive" : 3
  },
  "id" : "8f27bff7-f0c2-45c3-8782-2a3b5b106a89",
  "code" : "ACTIR",
  "display" : "active ingredient - reference substance is basis of strength",
  "version" : "4.0.0"
}