| Code | Description |
|---|---|
| AD | Admitting |
| AT | Attending |
| BI | Billing |
| CO | Consulting |
| CV | Covering |
| H | Hospital |
| HH | Home Health Care |
| LA | Laboratory |
| OT | Other Physician |
| P1 | Pharmacist |
| P2 | Pharmacy |
| PC | Primary Care Physician |
| PE | Performing |
| R | Rural Health Clinic |
| RF | Referring |
| SB | Submitting |
| SK | Skilled Nursing Facility |
| SU | Supervising |