| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 2,300 | 15 | NAACCR |
Records medical record number used by the facility to identify the patient.
This number identifies the patient in a facility. It can be used by a central registry to point back to the patient record, and it helps identify multiple reports on the same patient.
Codes (in addition to the medical record number)
| UNK | Medical record number unknown |
| RT | Radiation therapy department patient without HIM number |
| SU | 1-day surgery clinic patient without HIM number |
Note: Other standard abbreviations may be used to indicate departments within the facility for patients without HIM numbers assigned.