http://terminology.hl7.org/CodeSystem/v2-0477|2.9

{
  "description" : "FHIR Value set/code system definition for HL7 v2 table 0477 ( Controlled Substance Schedule)",
  "compose" : null,
  "package" : "hl7.fhir.r4.core@4.0.1",
  "date" : null,
  "meta" : {
    "profile" : [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ]
  },
  "publisher" : "HL7, Inc",
  "content" : "complete",
  "name" : "v2.0477",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "v2 Controlled Substance Schedule",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "external"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0
  } ],
  "status" : "active",
  "language" : "en",
  "id" : "77452b0f-27bb-59f9-9aa2-bf05bd5077ec",
  "url" : "http://terminology.hl7.org/CodeSystem/v2-0477",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.18.304",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "code" : "I",
    "display" : "Schedule I",
    "extension" : [ {
      "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString" : "Includes drugs that have a high potential for abuse, no currently accepted medical use in the United States and a lack of accepted safety for use under medical supervision."
    } ]
  }, {
    "code" : "II",
    "display" : "Schedule II",
    "extension" : [ {
      "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString" : "Includes drugs having currently accepted medical use in the United States and a high abuse potential, with severe psychological or physical dependence liability."
    } ]
  }, {
    "code" : "III",
    "display" : "Schedule III",
    "extension" : [ {
      "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString" : "Includes drugs having an abuse potential less than that of drugs listed in Schedules I and II. All CS III drugs have a currently accepted medical use in the United States."
    } ]
  }, {
    "code" : "IV",
    "display" : "Schedule IV",
    "extension" : [ {
      "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString" : "Includes drugs having a lesser potential for abuse than those listed in Schedule III. CS IV drugs have a currently accepted medical use in the United States."
    } ]
  }, {
    "code" : "V",
    "display" : "Schedule V",
    "extension" : [ {
      "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString" : "Includes drugs having low abuse potential and limited physical or psychological dependence relative to those listed in IV and have an accepted medical use in the United States."
    } ]
  }, {
    "code" : "VI",
    "display" : "Schedule VI",
    "extension" : [ {
      "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
      "valueString" : "State defined"
    } ]
  } ],
  "version" : "2.9",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org",
      "system" : "url"
    } ]
  } ]
}