> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Convert C-CDA to FHIR R4

> Converts the provided C-CDA document to a FHIR R4 Bundle.

## Body

<ParamField body type="xml" required>
  A valid C-CDA (R2.1) XML document.

  ```xml theme={null}
  <?xml version="1.0" encoding="UTF-8"?>
  <ClinicalDocument xmlns="urn:hl7-org:v3">
      <!-- contents -->
  </ClinicalDocument>
  ```

  <Tip>
    You can use [this example C-CDA from HL7](https://github.com/HL7/CDA-ccda-2.1/blob/master/examples/C-CDA_R2-1_CCD.xml) for testing purposes.
  </Tip>
</ParamField>

## Query Params

<ParamField query="patientId" type="string" required>
  Your internal identifier for the patient that the provided C-CDA document corresponds to.
  This will be used to populated the patient-related references in the returned FHIR Bundle.
</ParamField>

## Response

Returns a [FHIR R4 Bundle](/medical-api/fhir/resources/bundle) of type `batch` with the
`entry` containing an array of FHIR R4 Resources being the outcome of the conversion.

```json theme={null}
{
    "resourceType": "Bundle",
    "type": "batch",
    "entry": [
        {
            "fullUrl": "urn:uuid:adc44b9c-3083-396f-877f-463120f6b26a",
            "resource": {
                "resourceType": "Location",
                "id": "adc44b9c-3083-396f-877f-463120f6b26a",
                "name": "Good Health Urgent Care",
                "address": {
                    "line": [
                        "1007 Health Drive"
                    ],
                    "city": "Portland",
                    "state": "OR",
                    "country": "US",
                    "postalCode": "99123"
                },
                "telecom": [
                    {
                        "system": "phone",
                        "value": "+1(555)555-1030",
                        "use": "work"
                    }
                ],
                "type": [
                    {
                        "coding": [
                            {
                                "code": "1160-1",
                                "display": "Urgent Care Center",
                                "system": "urn:oid:2.16.840.1.113883.6.259"
                            }
                        ]
                    }
                ]
            },
            "request": {
                "method": "PUT",
                "url": "Location/adc44b9c-3083-396f-877f-463120f6b26a"
            }
        },
         {
            "fullUrl": "urn:uuid:7134ccce-d097-300c-a811-e4d2fc04a4c7",
            "resource": {
                "resourceType": "Immunization",
                "id": "7134ccce-d097-300c-a811-e4d2fc04a4c7",
                "identifier": [
                    {
                        "system": "urn:ietf:rfc:3986",
                        "value": "urn:uuid:e6f1ba43-c0ed-4b9b-9f12-f435d8ad8f92"
                    }
                ],
                "occurrenceDateTime": "1998-12-15",
                "vaccineCode": {
                    "coding": [
                        {
                            "code": "88",
                            "display": "Influenza virus vaccine",
                            "system": "http://hl7.org/fhir/sid/cvx"
                        }
                    ]
                },
                "lotNumber": "1",
                "manufacturer": {
                    "display": "Health LS - Immuno Inc."
                },
                "doseQuantity": {
                    "value": "50",
                    "unit": "ug",
                    "system": "http://unitsofmeasure.org"
                },
                "status": "completed",
                "route": {
                    "coding": [
                        {
                            "code": "C28161",
                            "display": "Intramuscular injection",
                            "system": "http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl"
                        }
                    ]
                },
                "patient": {
                    "reference": "Patient/123"
                }
            },
            "request": {
                "method": "PUT",
                "url": "Immunization/7134ccce-d097-300c-a811-e4d2fc04a4c7"
            }
        },
    ]
}
```