Status: retired, Not sufficiently defined by necessary conditions definition status. Date: 31-Jul 2016. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 249683010 | No known allergies | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 541135017 | No known allergies (context-dependent category) | en | Fully specified name | Inactive | Only initial character case insensitive | SNOMED CT core module | 
| 2579110013 | NKA - No known allergies | en | Synonym | Active | Entire term case sensitive | SNOMED CT core module | 
| 2606822018 | No known allergies (situation) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
This concept is not in any reference sets