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Generated Narrative: Observation
Resource Observation "tumor-marker-test-egf"
Profile: Tumor Marker Test Profile
status: final
category: Laboratory (Observation Category Codes#laboratory)
code: Epidermal growth factor receptor Ag [Presence] in Tissue (LOINC#39004-7)
subject: Patient/cancer-patient-john-anyperson " ANYPERSON"
effective: 2019-04-01
performer: Practitioner/us-core-practitioner-kyle-anydoc " ANYDOC"
value: Positive (qualifier value) (SNOMED CT#10828004)