Status: current, Not sufficiently defined by necessary conditions definition status. Date: 31-Jan 2002. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 177103014 | Ammonium ion | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 427228014 | NH4 - Ammonium | en | Synonym | Active | Entire term case sensitive | SNOMED CT core module | 
| 681929016 | Ammonium ion (substance) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| 1220316010 | Ammonium | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Ammonium ion | Is a | Nitrogen compound | false | Inferred relationship | Existential restriction modifier | ||
| Ammonium ion | Is a | Acid-base marker or blood gas | false | Inferred relationship | Existential restriction modifier | ||
| Ammonium ion | Is a | Ammonia and/or ammonia derivative | false | Inferred relationship | Existential restriction modifier | ||
| Ammonium ion | Is a | Acid-base marker or blood gas | false | Inferred relationship | Existential restriction modifier | ||
| Ammonium ion | Is a | Ammonia | true | Inferred relationship | Existential restriction modifier | ||
| Ammonium ion | Is a | Electrolyte cation | true | Inferred relationship | Existential restriction modifier | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Ammonium ion measurement | Component | True | Ammonium ion | Inferred relationship | Existential restriction modifier | 1 | 
This concept is not in any reference sets