| Code | Description | Version |
| AD | Admitting Provider | added v2.7 |
| AI | Assistant/Alternate Interpreter | added v2.7 |
| AP | Administering Provider | added v2.7 |
| ARI | Assistant Result Interpreter | added v2.7 |
| AT | Attending Provider | added v2.7 |
| AUT | AUT Author/Event Initiator | added v2.7 |
| CP | Consulting Provider | added v2.7 |
| DP | Dispensing Provider | added v2.7 |
| EP | Entering Provider (probably not the same as transcriptionist) | added v2.7 |
| EQUIP | Equipment | added v2.7 |
| FHCP | Family Health Care Professional | added v2.7 |
| MDIR | Medical Director | added v2.7 |
| OP | Ordering Provider | added v2.7 |
| PB | Packed by | added v2.7 |
| PH | Pharmacist (not sure how to dissect Pharmacist/Treatment Supplier's Verifier ID) | added v2.7 |
| PI | Primary Interpreter | added v2.7 |
| PO | Performing Organization | added v2.7 |
| POMD | Performing Organization Medical Director | added v2.7 |
| PP | Primary Care Provider | added v2.7 |
| PRI | Principal Result Interpreter | added v2.7 |
| RCT | Results Copies To | added v2.7 |
| RO | Responsible Observer | added v2.7 |
| RP | Referring Provider | added v2.7 |
| RT | Referred to Provider | added v2.7 |
| SB | Send by | added v2.7 |
| SC | Specimen Collector | added v2.7 |
| TN | Technician | added v2.7 |
| TR | Transcriptionist | added v2.7 |
| VP | Verifying Provider | added v2.7 |
| VPS | Verifying Pharmaceutical Supplier (not sure how to dissect Pharmacist/Treatment Supplier's Verifier ID) | added v2.7 |
| VTS | Verifying Treatment Supplier (not sure how to dissect Pharmacist/Treatment Supplier's Verifier ID) | added v2.7 |
| WAY | Waypoint | added v2.7 |
| WAYR | Waypoint Recipient | added v2.7 |