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Packageil.core.fhir.r4
Resource TypeMedicationRequest
IdMedicationRequest-subdose-not-repeating.json
FHIR VersionR4

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Narrative

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

MedicationRequest Example

Medication: Example medication

Plan type: Sequential 3-step regimen (no repeating cycle).

Shared constraint: Maximum 90 mg per day during all protocol

  1. Step 1 (1 week): 30 mg three times daily.
  2. Step 2 (2 weeks): 25 mg twice daily (morning and evening).
  3. Step 3 (1 month): 20 mg once daily in the morning.

Source1

{
  "resourceType": "MedicationRequest",
  "id": "subdose-not-repeating",
  "meta": {
    "profile": [
      "http://fhir.health.gov.il/StructureDefinition/il-core-medication-request"
    ]
  },
  "status": "active",
  "intent": "order",
  "subject": {
    "reference": "Patient/example"
  },
  "medicationCodeableConcept": {
    "text": "Example medication"
  },
  "authoredOn": "2026-01-01",
  "requester": {
    "reference": "Practitioner/123"
  },
  "text": {
    "status": "generated",
    "div": "<!-- snip (see above) -->"
  },
  "dosageInstruction": [
    {
      "text": "Sequential 3-step regimen (no cycle). Shared constraint: max 90 mg/day across entire plan.",
      "maxDosePerPeriod": {
        "numerator": {
          "value": 90,
          "unit": "mg",
          "system": "http://unitsofmeasure.org",
          "code": "mg"
        },
        "denominator": {
          "value": 1,
          "unit": "d",
          "system": "http://unitsofmeasure.org",
          "code": "d"
        }
      },
      "extension": [
        {
          "url": "http://fhir.health.gov.il/StructureDefinition/ext-sub-dosage-step",
          "valueDosage": {
            "sequence": 1,
            "text": "Step 1: 1 week – 30 mg three times daily",
            "timing": {
              "repeat": {
                "boundsDuration": {
                  "value": 1,
                  "unit": "wk",
                  "system": "http://unitsofmeasure.org",
                  "code": "wk"
                },
                "frequency": 3,
                "period": 1,
                "periodUnit": "d"
              }
            },
            "doseAndRate": [
              {
                "doseQuantity": {
                  "value": 30,
                  "unit": "mg",
                  "system": "http://unitsofmeasure.org",
                  "code": "mg"
                }
              }
            ]
          }
        },
        {
          "url": "http://fhir.health.gov.il/StructureDefinition/ext-sub-dosage-step",
          "valueDosage": {
            "sequence": 2,
            "text": "Step 2: 2 weeks – 25 mg twice daily (morning + evening)",
            "timing": {
              "repeat": {
                "boundsDuration": {
                  "value": 2,
                  "unit": "wk",
                  "system": "http://unitsofmeasure.org",
                  "code": "wk"
                },
                "frequency": 2,
                "period": 1,
                "periodUnit": "d",
                "when": [
                  "MORN",
                  "EVE"
                ]
              }
            },
            "doseAndRate": [
              {
                "doseQuantity": {
                  "value": 25,
                  "unit": "mg",
                  "system": "http://unitsofmeasure.org",
                  "code": "mg"
                }
              }
            ]
          }
        },
        {
          "url": "http://fhir.health.gov.il/StructureDefinition/ext-sub-dosage-step",
          "valueDosage": {
            "sequence": 3,
            "text": "Step 3: 1 month – 20 mg once daily in the morning",
            "timing": {
              "repeat": {
                "boundsDuration": {
                  "value": 1,
                  "unit": "mo",
                  "system": "http://unitsofmeasure.org",
                  "code": "mo"
                },
                "frequency": 1,
                "period": 1,
                "periodUnit": "d",
                "when": [
                  "MORN"
                ]
              }
            },
            "doseAndRate": [
              {
                "doseQuantity": {
                  "value": 20,
                  "unit": "mg",
                  "system": "http://unitsofmeasure.org",
                  "code": "mg"
                }
              }
            ]
          }
        }
      ]
    }
  ]
}