Status: current, Sufficiently defined by necessary conditions definition status. Date: 31-Jan 2018. Module: SNOMED CT core module
Descriptions:
| Id | Description | Lang | Type | Status | Case? | Module | 
| 1198101010 | Antihistamine (substance) | en | Fully specified name | Inactive | Entire term case insensitive | SNOMED CT core module | 
| 1211326013 | Antihistamine | en | Synonym | Inactive | Entire term case insensitive | SNOMED CT core module | 
| 3520621013 | Histamine receptor antagonist | en | Synonym | Active | Entire term case insensitive | SNOMED CT core module | 
| 3520694012 | Substance with histamine receptor antagonist mechanism of action (substance) | en | Fully specified name | Active | Entire term case insensitive | SNOMED CT core module | 
| 3520866019 | Substance with histamine receptor antagonist mechanism of action | en | Synonym | Inactive | Entire term case insensitive | SNOMED CT core module | 
| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Substance with histamine receptor antagonist mechanism of action | Is a | Antiallergic | false | Inferred relationship | Existential restriction modifier | ||
| Substance with histamine receptor antagonist mechanism of action | Is a | Allergen class | false | Inferred relationship | Existential restriction modifier | ||
| Substance with histamine receptor antagonist mechanism of action | Is a | Drug allergen | false | Inferred relationship | Existential restriction modifier | ||
| Substance with histamine receptor antagonist mechanism of action | Is a | Drug or medicament | false | Inferred relationship | Existential restriction modifier | ||
| Substance with histamine receptor antagonist mechanism of action | Has disposition | Histamine receptor antagonist | true | Inferred relationship | Existential restriction modifier | ||
| Substance with histamine receptor antagonist mechanism of action | Is a | Substance categorized by disposition | false | Inferred relationship | Existential restriction modifier | ||
| Substance with histamine receptor antagonist mechanism of action | Is a | Substance with receptor antagonist mechanism of action (substance) | true | Inferred relationship | Existential restriction modifier | 
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This concept is not in any reference sets