| Code | Description | Version |
| AU | Audiology | added v2.2 |
| BG | Blood Gases | from v2.1 |
| BLB | Blood Bank | added v2.2 |
| CH | Chemistry | from v2.1 |
| CP | Cytopathology | from v2.1 |
| CT | CAT Scan | from v2.1 |
| CTH | Cardiac Catheterization | added v2.2 |
| CUS | Cardiac Ultrasound | from v2.1 |
| EC | Electrocardiac (e.g., EKG, EEC, Holter) | from v2.1 |
| EN | Electroneuro (EEG, EMG,EP,PSG) | added v2.2 |
| HM | Hematology | from v2.1 |
| ICU | Bedside ICU Monitoring | added v2.3 |
| IMG | Diagnostic Imaging | added v2.4, removed after v2.4 |
| IMM | Immunology | from v2.1 |
| LAB | Laboratory | added v2.3 |
| MB | Microbiology | from v2.1 |
| MCB | Mycobacteriology | from v2.1 |
| MYC | Mycology | from v2.1 |
| NMR | Nuclear Magnetic Resonance | from v2.1 |
| NMS | Nuclear Medicine Scan | from v2.1 |
| NRS | Nursing Service Measures | from v2.1 |
| OSL | Outside Lab | added v2.2 |
| OT | Occupational Therapy | from v2.1 |
| OTH | Other | from v2.1 |
| OUS | OB Ultrasound | from v2.1 |
| PAR | Parasitology | added v2.4, removed after v2.4 |
| PAT | Pathology (gross & histopath, not surgical) | added v2.4, removed after v2.4 |
| PF | Pulmonary Function | added v2.2 |
| PHR | Pharmacy | from v2.1 |
| PHY | Physician (Hx. Dx, admission note, etc.) | added v2.2 |
| PT | Physical Therapy | from v2.1 |
| RAD | Radiology | added v2.3 |
| RC | Respiratory Care (therapy) | from v2.1 |
| RT | Radiation Therapy | from v2.1 |
| RUS | Radiology Ultrasound | from v2.1 |
| RX | Radiograph | added v2.2 |
| SP | Surgical Pathology | from v2.1 |
| SR | Serology | from v2.1 |
| TX | Toxicology | from v2.1 |
| URN | Urinalysis | added v2.4, removed after v2.4 |
| VR | Virology | added v2.2 |
| VUS | Vascular Ultrasound | from v2.1 |
| XRC | Cineradiograph | from v2.1 |