{
  "resourceType": "SearchParameter",
  "id": "observation-genetics-cg-prf-1a-Observation-dna-variant",
  "url": "http://hl7.org/fhir/SearchParameter/observation-genetics-cg-prf-1a-Observation-dna-variant",
  "name": "dna-variant",
  "code": "dna-variant",
  "base": "Observation",
  "type": "string",
  "description": "HGVS DNA variant",
  "xpathUsage": "normal"
}