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 | 
| 455953018 | Carbon 13 | en | Synonym | Inactive | Entire term case insensitive | SNOMED CT core module | 
| 455954012 | C13 - Carbon 13 | en | Synonym | Inactive | Entire term case sensitive | SNOMED CT core module | 
| 708919016 | Carbon 13 (substance) | en | Fully specified name | Inactive | Entire term case insensitive | SNOMED CT core module | 
| 3648254010 | Carbon-13 (substance) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| 3648255011 | Carbon-13 | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 3648256012 | 13-C | en | Synonym | Active | Only initial character case insensitive | SNOMED CT core module | 
| 108142701000001117 | Carbon 13 | en | Synonym | Active | Only initial character case insensitive | SNOMED CT United Kingdom Edition module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Carbon-13 | Is a | Radioactive isotope | false | Inferred relationship | Existential restriction modifier | ||
| Carbon-13 | Is a | Inorganic carbon | false | Inferred relationship | Existential restriction modifier | ||
| Carbon-13 | Is a | Carbon isotope | false | Inferred relationship | Existential restriction modifier | ||
| Carbon-13 | Is a | Carbon radioisotope | true | Inferred relationship | Existential restriction modifier | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| 13 carbon to 12 carbon breath carbon dioxide ratio | Component | True | Carbon-13 | Inferred relationship | Existential restriction modifier | 5 | 
| Carbon (13-C) urea | Is modification of | True | Carbon-13 | Inferred relationship | Existential restriction modifier | |
| Ratio of excess carbon-12 to carbon-13 in serum (observable entity) | Relative to | True | Carbon-13 | Inferred relationship | Existential restriction modifier | 1 | 
This concept is not in any reference sets