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Packagehl7.fhir.uv.xver-r5.r4b
Resource TypeCodeSystem
IdCodeSystem-medication-statement-adherence.json
FHIR VersionR4B
Sourcehttp://hl7.org/fhir/uv/xver-r5.r4b/0.0.1-snapshot-2/CodeSystem-medication-statement-adherence.html
URLhttp://hl7.org/fhir/CodeSystem/medication-statement-adherence
Version5.0.0
Statusactive
Date2025-09-13T17:27:08-04:00
NameMedicationStatementAdherenceCodes
TitleMedicationStatement Adherence Codes
Realmuv
Authorityhl7
DescriptionMedicationStatement Adherence Codes
Contentcomplete

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Narrative

Note: links and images are rebased to the (stated) source

This code system http://hl7.org/fhir/CodeSystem/medication-statement-adherence defines the following codes:

Lvl Code Display Definition
1 taking Taking The medication is being taken.
2   taking-as-directed Taking As Directed The medication is being taken as directed.
2   taking-not-as-directed Taking Not As Directed The medication is not being taken as directed.
1 not-taking Not Taking The medication is not being taken.
2   on-hold On Hold The medication is on hold.
3     on-hold-as-directed On Hold As Directed The medication is on hold as directed.
3     on-hold-not-as-directed On Hold Not As Directed The medication is on hold not as directed.
2   stopped Stopped The medication is stopped.
3     stopped-as-directed Stopped As Directed The medication is stopped as directed.
3     stopped-not-as-directed Stopped Not As Directed The medication is stopped not as directed.
1 unknown Unknown Whether the medication is being taken or not is not currently known.

Source1

{
  "resourceType": "CodeSystem",
  "id": "medication-statement-adherence",
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "extension": [
        {
          "url": "packageId",
          "valueId": "hl7.fhir.uv.xver-r5.r4b"
        },
        {
          "url": "version",
          "valueString": "0.0.1-snapshot-2"
        }
      ],
      "url": "http://hl7.org/fhir/StructureDefinition/package-source"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "phx"
    }
  ],
  "url": "http://hl7.org/fhir/CodeSystem/medication-statement-adherence",
  "version": "5.0.0",
  "name": "MedicationStatementAdherenceCodes",
  "title": "MedicationStatement Adherence Codes",
  "status": "active",
  "experimental": false,
  "date": "2025-09-13T17:27:08-04:00",
  "publisher": "Pharmacy",
  "contact": [
    {
      "name": "Pharmacy",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/medication"
        }
      ]
    }
  ],
  "description": "MedicationStatement Adherence Codes",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/medication-statement-adherence",
  "hierarchyMeaning": "is-a",
  "content": "complete",
  "concept": [
    {
      "code": "taking",
      "display": "Taking",
      "definition": "The medication is being taken.",
      "concept": [
        {
          "code": "taking-as-directed",
          "display": "Taking As Directed",
          "definition": "The medication is being taken as directed."
        },
        {
          "code": "taking-not-as-directed",
          "display": "Taking Not As Directed",
          "definition": "The medication is not being taken as directed."
        }
      ]
    },
    {
      "code": "not-taking",
      "display": "Not Taking",
      "definition": "The medication is not being taken.",
      "concept": [
        {
          "code": "on-hold",
          "display": "On Hold",
          "definition": "The medication is on hold.",
          "concept": [
            {
              "code": "on-hold-as-directed",
              "display": "On Hold As Directed",
              "definition": "The medication is on hold as directed."
            },
            {
              "code": "on-hold-not-as-directed",
              "display": "On Hold Not As Directed",
              "definition": "The medication is on hold not as directed."
            }
          ]
        },
        {
          "code": "stopped",
          "display": "Stopped",
          "definition": "The medication is stopped.",
          "concept": [
            {
              "code": "stopped-as-directed",
              "display": "Stopped As Directed",
              "definition": "The medication is stopped as directed."
            },
            {
              "code": "stopped-not-as-directed",
              "display": "Stopped Not As Directed",
              "definition": "The medication is stopped not as directed."
            }
          ]
        }
      ]
    },
    {
      "code": "unknown",
      "display": "Unknown",
      "definition": "Whether the medication is being taken or not is not currently known."
    }
  ]
}