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Packageke.fhir.eprescription
Resource TypeMedicationRequest
IdMedicationRequest-example-medicationrequest-with-extensions.json
FHIR VersionR4

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Narrative

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

Prescription RX-2025-EXT-00001 – Extension Demonstration

Metformin 500 mg twice daily for James Otieno, prescribed by Dr. Sarah Njoroge. Demonstrates: digital signature, refill authorization (3 refills), controlled substance schedule (not controlled), and SHA insurance pre-authorization SHA-2025-AUTH-001234 valid 15 Jun–15 Sep 2025.


Source1

{
  "resourceType": "MedicationRequest",
  "id": "example-medicationrequest-with-extensions",
  "meta": {
    "profile": [
      "https://fhir.dha.go.ke/erx/StructureDefinition/ke-medication-request",
      "https://fhir.dha.go.ke/fhir/StructureDefinition/ke-medication-request"
    ]
  },
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "extension": [
        {
          "url": "signatureType",
          "valueCoding": {
            "system": "urn:iso-astm:E1762-95:2013",
            "code": "1.2.840.10065.1.12.1.1",
            "display": "Author's Signature"
          }
        },
        {
          "url": "signatureValue",
          "valueBase64Binary": "U0lHTkFUVVJFX1BMQUNFSE9MREVS"
        },
        {
          "url": "signedBy",
          "valueReference": {
            "reference": "Practitioner/example-practitioner-njoroge"
          }
        },
        {
          "url": "signedOn",
          "valueInstant": "2025-06-15T09:30:00+03:00"
        }
      ],
      "url": "https://fhir.dha.go.ke/fhir/StructureDefinition/prescription-digital-signature"
    },
    {
      "extension": [
        {
          "url": "authorizedRefills",
          "valueUnsignedInt": 3
        },
        {
          "url": "remainingRefills",
          "valueUnsignedInt": 3
        },
        {
          "url": "earliestRefillDate",
          "valueDate": "2025-07-15"
        }
      ],
      "url": "https://fhir.dha.go.ke/fhir/StructureDefinition/refill-authorization"
    },
    {
      "extension": [
        {
          "url": "isControlled",
          "valueBoolean": false
        }
      ],
      "url": "https://fhir.dha.go.ke/fhir/StructureDefinition/controlled-substance-schedule"
    },
    {
      "extension": [
        {
          "url": "authorizationNumber",
          "valueString": "SHA-2025-AUTH-001234"
        },
        {
          "url": "insurerName",
          "valueString": "Social Health Authority (SHA)"
        },
        {
          "url": "validFrom",
          "valueDate": "2025-06-15"
        },
        {
          "url": "validTo",
          "valueDate": "2025-09-15"
        }
      ],
      "url": "https://fhir.dha.go.ke/fhir/StructureDefinition/insurance-pre-authorization"
    }
  ],
  "identifier": [
    {
      "system": "https://ilm-hie.dha.go.ke/fhir/NamingSystem/prescription-identifier",
      "value": "RX-2025-EXT-00001"
    }
  ],
  "status": "active",
  "intent": "order",
  "category": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/medicationrequest-category",
          "code": "outpatient",
          "display": "Outpatient"
        }
      ]
    }
  ],
  "medicationCodeableConcept": {
    "coding": [
      {
        "system": "https://fhir.dha.go.ke/terminology/CodeSystem/generic-products-cs",
        "code": "GE10002",
        "display": "Metformin 500 mg Oral Tablet"
      }
    ]
  },
  "subject": {
    "reference": "Patient/example-patient-otieno"
  },
  "authoredOn": "2025-06-15",
  "requester": {
    "reference": "Practitioner/example-practitioner-njoroge"
  },
  "dosageInstruction": [
    {
      "text": "Take 1 tablet (500 mg) by mouth twice daily with meals",
      "timing": {
        "repeat": {
          "frequency": 2,
          "period": 1,
          "periodUnit": "d"
        }
      },
      "route": {
        "coding": [
          {
            "system": "https://fhir.dha.go.ke/terminology/CodeSystem/route-of-administration-cs",
            "code": "RT10025",
            "display": "Oral"
          }
        ]
      },
      "doseAndRate": [
        {
          "doseQuantity": {
            "value": 500,
            "unit": "mg",
            "system": "http://unitsofmeasure.org",
            "code": "mg"
          }
        }
      ]
    }
  ],
  "dispenseRequest": {
    "numberOfRepeatsAllowed": 3,
    "quantity": {
      "value": 60,
      "unit": "tablet",
      "system": "http://unitsofmeasure.org",
      "code": "1"
    }
  },
  "substitution": {
    "allowedCodeableConcept": {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/v3-substanceAdminSubstitution",
          "code": "G",
          "display": "equivalent generic composition"
        }
      ]
    }
  }
}