| Vocabulary Type | Code System - Universal |
| Concept Domain | Query Response Status |
| Code System Name | |
| Code System Identifier | |
| Code System OID | |
| HL7 Table Identifier | HL70208 |
| Version | |
| Status | Active |
| Where Used | QAK.2 |
| Purpose and Use | HL7-defined table of codes defining precise response status concepts in support of HL7 Version 2 query messaging. It is commonly used to indicate no data is found that matches the query parameters, but no error. |
| Code | Display | Definition | Deprecated |
|---|---|---|---|
| OK | Data found, no errors (this is the default) | Data found, no errors (this is the default) | |
| NF | No data found, no errors | No data found, no errors | |
| AE | Application error | Application error | |
| AR | Application reject | Application reject | |
| TM | Too much data found | The response would exceed the maximum length designated in RCP-2 of the query message. | |
| PD | Protected data | Data matching the query parameters was found but could not be shared with the querying system for reasons including local policy or legal restrictions. |