National Healthcare Directory Query
1.0.0-ballot - ballot

National Healthcare Directory Query, published by HL7 International - Patient Administration Work Group. This is not an authorized publication; it is the continuous build for version 1.0.0-ballot). This version is based on the current content of https://github.com/HL7/fhir-directory-query/ and changes regularly. See the Directory of published versions

## CodeSystem: Language Proficiency Code System

Official URL: http://hl7.org/fhir/us/directory-query/CodeSystem/LanguageProficiencyCS | Version: 1.0.0-ballot
Active as of 2022-12-08 | Computable Name: LanguageProficiencyCS

Codes for documenting spoken language proficiency based on the Interagency Language Roundtable scale of abilities to communicate in a language.

This Code system is referenced in the content logical definition of the following value sets:

- LanguageProficiencyVS

This code system `http://hl7.org/fhir/us/directory-query/CodeSystem/LanguageProficiencyCS` defines the following codes:

Code | Display | Definition
00 | No proficiency | Unable to function in the spoken language.
10 | Elementary proficiency | Able to satisfy minimum courtesy requirements and maintain very simple face-to-face conversations on familiar topics. A native speaker must often use slowed speech, repetition, paraphrase, or a combination of these to be understood by this individual.
20 | Limited working proficiency | Able to satisfy routine social demands and limited work requirements.
30 | General professional proficiency | Able to speak the language with sufficient structural accuracy and vocabulary to participate effectively in most formal and informal conversations in practical, social and professional topics.
40 | Advanced professional proficiency | Able to use the language fluently and accurately on all levels normally pertinent to professional needs.
50 | Functional native proficiency | Speaking proficiency is functionally equivalent to that of a highly articulate well-educated native speaker and reflects the cultural standards of the country where the language is natively spoken.