This page is part of the FHIR Specification (v5.0.0-snapshot1: Release 5 Snapshot #1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 
| Pharmacy Work Group | Maturity Level: N/A | Standards Status: Informative | Compartments: Encounter, Patient, Practitioner, RelatedPerson |
Raw JSON (canonical form + also see JSON Format Specification)
Patient reports they were taking Amoxycillin in the past but are not taking it now
{
"resourceType": "MedicationUsage",
"id": "example004",
"text": {
"status": "generated",
"div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative</b></p><div><p>Resource "example004" </p></div><p><b>status</b>: recorded</p><p><b>subject</b>: <a>Patient/pat1: Donald Duck</a> "Donald DUCK"</p><p><b>effective</b>: 2014-01-23</p><p><b>dateAsserted</b>: 2015-02-22</p><p><b>informationSource</b>: <a>Patient/pat1: Donald Duck</a> "Donald DUCK"</p><p><b>note</b>: Patient indicates they miss the occasional dose</p><h3>Adherences</h3><table><tr><td>-</td><td><b>Code</b></td><td><b>Reason</b></td></tr><tr><td>*</td><td>Not Taking <span> (<a>MedicationUsage Adherence Codes</a>#not-taking)</span></td><td>Drugs not taken/completed <span> (<a>SNOMED CT</a>#266710000)</span></td></tr></table></div>"
},
"status": "recorded",
"medication": {
"concept": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "27658006",
"display": "Amoxicillin (product)"
}
]
}
},
"subject": {
"reference": "Patient/pat1",
"display": "Donald Duck"
},
"effectiveDateTime": "2014-01-23",
"dateAsserted": "2015-02-22",
"informationSource": {
"reference": "Patient/pat1",
"display": "Donald Duck"
},
"note": [
{
"text": "Patient indicates they miss the occasional dose"
}
],
"dosage": [
{
"text": "one capsule three times daily",
"timing": {
"repeat": {
"frequency": 3,
"period": 1,
"periodUnit": "d"
}
},
"asNeededBoolean": false,
"route": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "260548002",
"display": "Oral"
}
]
},
"maxDosePerPeriod": {
"numerator": {
"value": 3,
"unit": "capsules",
"system": "http://snomed.info/sct",
"code": "385055001"
},
"denominator": {
"value": 1,
"system": "http://unitsofmeasure.org",
"code": "d"
}
}
}
],
"adherence": {
"code": {
"coding": [
{
"system": "http://hl7.org/fhir/CodeSystem/medication-usage-adherence",
"code": "not-taking",
"display": "Not Taking"
}
]
},
"reason": {
"coding": [
{
"system": "http://snomed.info/sct",
"code": "266710000",
"display": "Drugs not taken/completed"
}
]
}
}
}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.