Observation Profile

Canonical	../StructureDefinition/nexus-emr-core-observation
Status	draft · 1.26.0
Base	Observation (constraint)
Source	FSH · JSON

Nexus EMR profile for the Observation resource, based on CA-Core. Represents measurements, tests, and simple assertions originating from source EMRs for aggregation.

Examples

Avery Diastolic Blood Pressure · Avery Height · Avery LDL Cholesterol · Avery PAP Screening (Completed Externally) · Avery Smoking Cessation (Refused) · Avery Systolic Blood Pressure · Hemoglobin Lab Result

Avery PAP Screening (Completed Externally)

Prevention screening Observation for Avery Linwood carrying the prevention-status extension (completed-externally) and a nexus-emr-prevention-catalog code; performed at an outside clinic

Observation/prevention-pap-avery-20250212 — claims conformance to Observation Profile

{
  "resourceType": "Observation",
  "id": "prevention-pap-avery-20250212",
  "meta": {
    "profile": [
      "../StructureDefinition/nexus-emr-core-observation"
    ]
  },
  "extension": [
    {
      "url": "../StructureDefinition/nexus-emr-prevention-status-extension",
      "valueCode": "completed-externally"
    },
    {
      "url": "../StructureDefinition/nexus-prevention-result-detail",
      "valueString": "Satisfactory for evaluation. Negative for intraepithelial lesion or malignancy. HPV not detected."
    }
  ],
  "identifier": [
    {
      "use": "secondary",
      "system": "../NamingSystem/cedarbrook-clinic-observation-raw-code",
      "value": "EMR-OBS-PAP-AVERY-20250212"
    }
  ],
  "status": "final",
  "text": {
    "status": "generated",
    "div": "<div xmlns='http://www.w3.org/1999/xhtml'><p>Cervical screening (PAP) for Avery Linwood, performed externally on February 12, 2025 by Dr. Rosalind Oyelaran at Harbourview Womens Health; result Normal, with the report detail carried on the prevention-result-detail extension. Recorded as completed-externally.</p></div>"
  },
  "category": [
    {
      "coding": [
        {
          "system": "http://terminology.hl7.org/CodeSystem/observation-category",
          "code": "laboratory",
          "display": "Laboratory"
        }
      ]
    }
  ],
  "code": {
    "coding": [
      {
        "system": "../NamingSystem/nexus-emr-prevention-catalog",
        "code": "pap",
        "display": "PAP"
      }
    ],
    "text": "Cervical screening (PAP)"
  },
  "subject": {
    "reference": "Patient/avery-linwood",
    "display": "Avery Linwood"
  },
  "effectiveDateTime": "2025-02-12",
  "performer": [
    {
      "display": "Dr. Rosalind Oyelaran, Harbourview Womens Health"
    }
  ],
  "valueCodeableConcept": {
    "text": "Normal"
  },
  "note": [
    {
      "text": "Performed at an outside clinic; report received by fax. The prevention status is carried by the nexus-emr-prevention-status extension (completed-externally); native Observation.status derives to final. The outside clinician is named by a display-only performer, the report detail by the nexus-prevention-result-detail extension, and this note carries only the comment. The prevention is identified by the code.coding under the nexus-emr-prevention-catalog NamingSystem."
    }
  ]
}