A property representing a globally unique identifier standardized by the International Organization for Standardization (ISO) for naming computational objects consistently and unambiguously. Object identifiers (OID) are assigned by a regulatory association. The NCI Thesaurus OID was asssigned by and is registered with the HL7 OID Registry and is the following string: 2.16.840.1.113883.3.26.1.1.

Synonyms: OID