Release Date: 2015-07-31
OID for code system: 2.16.840.1.113883.5.61
OID for value set: 2.16.840.1.113883.1.11.12199 (this is the value set that includes the entire code system)
A value representing the level of proficiency in a language.
Example:Excellent, good, fair, poor.
OpenIssue: Description copied from Concept Domain of same name. Must be verified.
| Level | Code | Display | Definition |
| 1 | E | Excellent | |
| 1 | F | Fair | |
| 1 | G | Good | |
| 1 | P | Poor |