00149
Visit Number
1995-11-25
Definition: unique number assigned to each patient visit. This is left as NM data type for backwards compatibility but HL7 recommends new implementations use CK data type.
Length≤15
5 components
| 1 | O | - | Patient ID | |
| 2 | O | - | Check digit | |
| 3 | O | - | Check digit scheme | |
| 4 | O | - | Facility ID | |
| 5 | O | - | type |