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HL7 FHIR R4 APIs

Query and ingest patient charts using HL7 FHIR R4 standard endpoints.

Supported Resources

MedIngest exposes queryable FHIR resources that conform to the US Core Implementation Guide. Developers can request structured resources using standard query strings.

FHIR ResourceMethodEndpoint Path
PatientGET / POST/fhir/r4/Patient
ObservationGET / POST/fhir/r4/Observation
MedicationRequestGET / POST/fhir/r4/MedicationRequest

Example Observation Query

Request a list of lab results filtered by patient ID and LOINC test codes:

fhir-query.sh
# Fetch patient observations by LOINC code
GET https://api.medingest.ai/fhir/r4/Observation?patient=pat-123&code=2951-2
Authorization: Bearer YOUR_API_TOKEN
Accept: application/fhir+json

# Response 200 OK
{
  "resourceType": "Bundle",
  "type": "searchset",
  "entry": [
    {
      "resource": {
        "resourceType": "Observation",
        "id": "obs-Na",
        "status": "final",
        "code": {
          "coding": [{
            "system": "http://loinc.org",
            "code": "2951-2",
            "display": "Sodium [Moles/volume] in Serum or Plasma"
          }]
        },
        "subject": { "reference": "Patient/pat-123" },
        "valueQuantity": {
          "value": 138,
          "unit": "mmol/L",
          "system": "http://unitsofmeasure.org",
          "code": "mmol/L"
        }
      }
    }
  ]
}
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