{

"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"

}