| Vocabulary Type | Code System - Universal |
| Concept Domain | Diagnostic Service Section ID |
| Code System Name | |
| Code System Identifier | |
| Code System OID | |
| HL7 Table Identifier | HL70074 |
| Version | |
| Status | Active |
| Where Used | OBR-24, OM4-49 |
| Purpose and Use | HL7-defined table of codes which specify a section of a diagnostic service where an observation may be performed. |
| Code | Display | Definition | Deprecated |
|---|---|---|---|
| AU | Audiology | Audiology | |
| BG | Blood Gases | Blood Gases | |
| BLB | Blood Bank | Blood Bank | |
| CG | Cytogenetics | Cytogenetics | |
| CUS | Cardiac Ultrasound | Cardiac Ultrasound | |
| CTH | Cardiac Catheterization | Cardiac Catheterization | |
| CT | CAT Scan | CAT Scan | |
| CH | Chemistry | Chemistry | |
| CP | Cytopathology | Cytopathology | |
| EC | Electrocardiac (e.g., EKG, EEC, Holter) | Electrocardiac (e.g., EKG, EEC, Holter) | |
| EN | Electroneuro (EEG, EMG,EP,PSG) | Electroneuro (EEG, EMG,EP,PSG) | |
| GE | Genetics | Genetics | |
| HM | Hematology | Hematology | |
| IMG | Diagnostic Imaging | Diagnostic Imaging | 2.9 |
| ICU | Bedside ICU Monitoring | Bedside ICU Monitoring | |
| IMM | Immunology | Immunology | |
| LAB | Laboratory | Laboratory | |
| MB | Microbiology | Microbiology | |
| MCB | Mycobacteriology | Mycobacteriology | |
| MYC | Mycology | Mycology | |
| NMS | Nuclear Medicine Scan | Nuclear Medicine Scan | |
| NMR | Nuclear Magnetic Resonance | Nuclear Magnetic Resonance | |
| NRS | Nursing Service Measures | Nursing Service Measures | |
| OUS | OB Ultrasound | OB Ultrasound | |
| OT | Occupational Therapy | Occupational Therapy | |
| OTH | Other | Other | |
| OSL | Outside Lab | Outside Lab | |
| PAR | Parasitology | Parasitology | 2.9 |
| PHR | Pharmacy | Pharmacy | |
| PAT | Pathology (gross & histopath, not surgical) | Pathology (gross & histopath, not surgical) | 2.9 |
| PT | Physical Therapy | Physical Therapy | |
| PHY | Physician (Hx. Dx, admission note, etc.) | Physician (Hx. Dx, admission note, etc.) | |
| PF | Pulmonary Function | Pulmonary Function | |
| RAD | Radiology | Radiology | |
| RX | Radiograph | Radiograph | |
| RUS | Radiology Ultrasound | Radiology Ultrasound | |
| RC | Respiratory Care (therapy) | Respiratory Care (therapy) | |
| RT | Radiation Therapy | Radiation Therapy | |
| SR | Serology | Serology | |
| SP | Surgical Pathology | Surgical Pathology | |
| TX | Toxicology | Toxicology | |
| VUS | Vascular Ultrasound | Vascular Ultrasound | |
| VR | Virology | Virology | |
| URN | Urinalysis | Urinalysis | 2.9 |
| XRC | Cineradiograph | Cineradiograph |
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