Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core
Descriptions:
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values |
| Nicotinic acid (substance) | Is a | Water-soluble vitamin | false | Inferred relationship | Some | ||
| Nicotinic acid (substance) | Is a | Allergen class | false | Inferred relationship | Some | ||
| Nicotinic acid (substance) | Is a | Drug allergen | false | Inferred relationship | Some | ||
| Nicotinic acid (substance) | Is a | Pyridine | true | Inferred relationship | Some | ||
| Nicotinic acid (substance) | Is a | Vitamin B and/or vitamin B derivative (substance) | true | Inferred relationship | Some | ||
| Nicotinic acid (substance) | Is a | Nicotinic acid and derivatives | false | Inferred relationship | Some | ||
| Nicotinic acid (substance) | Is a | Nicotinic acid and derivatives | false | Inferred relationship | Some |
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Reference Sets
Belgian subset for AllergyIntolerance, causative agent, drug
Belgian subset for AllergyIntolerance, causative agent, non-drug