http://hl7.org/fhir/StructureDefinition/observation-geneticsDNARegionName|4.0.1
A human readable name for the region of interest. Typically Exon #, Intron # or other. NOTE: This is not standardized and is mainly for convenience and display purposes. LOINC Code: ([47999-8](http://loinc.org/47999-8)).
| Name | Flags | Card | Type | Description & Constraints |
|---|---|---|---|---|
Extension | 0..1 | DNA region name | ||
| ?..0 | ||||
| ?..? | ||||
| 1..? | ||||
| 1..? | string |