- 2. Null
- [A special value that may be stored in some database columns to represent an unknown, missing, not applicable, or undefined value. ( NCI )] (UMLS (NCI) C0456148) =Quantitative Concept
| - 5. nullified
- [This Act instance was created in error and has been 'removed' and is treated as though it never existed. A record is retained for audit purposes only. ( HL7V3.0 )] (UMLS (HL7) C1553385) =Idea or Concept =ActStatus;
◊ [The state representing the termination of a Participation instance that was created in error. ( HL7V3.0 )] (UMLS (HL7) C1553401) Idea or Concept ManagedParticipationStatus; ◊ [The state representing the termination of a Role instance that was created in error. ( HL7V3.0 )] (UMLS (HL7) C1553405) Idea or Concept RoleStatus; ◊ [The state representing the termination of an Entity record instance that was created in error. ( HL7V3.0 )] (UMLS (HL7) C1553408) Idea or Concept EntityStatus; |