This value set includes codes based on the following rules:
http://terminology.hl7.org/CodeSystem/v3-AmericanIndianAlaskaNativeLanguages where concept is-a _CaddoanThis value set excludes codes based on the following rules:
http://terminology.hl7.org/CodeSystem/v3-AmericanIndianAlaskaNativeLanguages| Code | Display |
| _Caddoan | Caddoan |