Level 1 | Level 2 | L2 Code | Level 3 | L3 Code | Terms |
---|---|---|---|---|---|
General/Vascular/Plastics (GVP) | Hepatobiliary-Upper GI | HBUG | Upper GI | UPRGI | 81 |
 |  |  | Hepatobiliary-Pancreatic | HPBPA | 31 |
 |  |  | Small bowel/Appendix | SBAPP | 16 |
 | Colorectal | CREC | Colon Neoplasia/Bleeding | CLNCA | 15 |
 |  |  | Colonic Other | COLON | 49 |
 |  |  | Perianal | PANAL | 22 |
 | Hernia | HERN | Inguinal hernia | HEING | 4 |
 |  |  | Ventral hernia | HERVN | 7 |
 | Abdominal other | ABDO | Generalised Abdominal Pain | ABDPN | 18 |
 |  |  | Anaemia & Lymphoid | ANLYM | 18 |
 |  |  | Abdominal other 2 | ABDOM | 42 |
 | Breast-Endocrine | BREN | Breast Lump/Cancer | BRLMP | 20 |
 |  |  | Breast Other | BREST | 42 |
 |  |  | Endocrine | ENDOC | 34 |
 |  |  | Obesity | OBESI | 5 |
 | Skin/Integument | SKIN | Skin Infection/Injury | INFNJ | 91 |
 |  |  | Skin Lesions | LSION | 75 |
 | Vascular | VASC | Arterial | ARTRL | 29 |
 |  |  | Varicose Veins | VEINS | 9 |
 |  |  | Venous thrombosis | DEVET | 8 |
Orthopaedics (ORT) | Back | BACK | Back | SPINE | 122 |
 | Shoulder | SHLD | Shoulder Arthritis/Pain | SHART | 20 |
 |  |  | Shoulder Injury/Instability | SHINJ | 7 |
 | Forearm, Wrist & Hand | FWRH | Forearm fracture | FAFRC | 11 |
 |  |  | Forearm/Hand Other Injury | FAINJ | 15 |
 |  |  | Forearm/Hand Non-Injury | FAOTH | 30 |
 | Hip Arthritis | HIPA | Hip Arthritis | HPART | 8 |
 | Knee | KNEE | Knee Arthritis/pain | KNART | 11 |
 |  |  | Knee Injury/instability | KNINJ | 27 |
 | Ankle & Foot | ANKF | Ankle Fracture | ANFRC | 7 |
 |  |  | Ankle/Foot Other Injury | ANINJ | 13 |
 |  |  | Ankle/Foot Non-Injury | ANOTH | 26 |
 | Ortho Other | ORTO | Other Arthritis (Site NOS) | OTART | 22 |
 |  |  | Other Fracture/Dislocation | OTFRC | 31 |
 |  |  | Other Injury (Non-Frac/Disl) | OTINJ | 28 |
 |  |  | Other Ortho Non-Injury | OTOTH | 92 |
Ear, Nose & Throat (ENT) | - | ENT2 | Ear/Mastoid Infective | EARIN | 34 |
 |  |  | Ear/Mastoid Non-Infective | EAROT | 69 |
 |  |  | Nose/Paranasal Sinuses | NOSSI | 26 |
 |  |  | Tonsils/Adenoids | TONSL | 13 |
 |  |  | Larynx/pharynx | LARYP | 19 |
 |  |  | Oro-facio-maxillary | FACMX | 36 |
Urology (URL) | - | UROL | Stones/upper tract obstruction | STOUP | 18 |
 |  |  | Haematuria/Urothelial/renal tumours | HMTCC | 17 |
 |  |  | Bladder dysfunction | BLDYS | 21 |
 |  |  | Bladder outflow obstruction | BOOBS | 24 |
 |  |  | Prostate cancer | PRSCA | 5 |
 |  |  | Impotence & Penile | IMPEN | 25 |
 |  |  | Testicle, Scrotum & Vas | TSTIC | 33 |
 |  |  | Paediatric urology | PAEDU | 14 |
 |  |  | Urinary Tract Infection | URUTI | 6 |
 |  |  | Urology Other | UROTH | 42 |
Eye (EYE) | - | EYE2 | Painful/red eye | PNRED | 17 |
 |  |  | Visual Loss | VSLOS | 29 |
 |  |  | Cataract | CTRCT | 4 |
 |  |  | Glaucoma | GLAUC | 4 |
 |  |  | Diabetes, systemic & retinal | DBRET | 10 |
 |  |  | Muscle imbalance & squint | SQINT | 11 |
 |  |  | Eye Trauma | EYINJ | 16 |
 |  |  | Lid/conjunctival disorders | LDCON | 31 |
 |  |  | Refraction | REFRC | 15 |
 |  |  | Eye Other | EYOTH | 33 |
Gynaecology (GYN) | Cancer/ Precancer | CAPR | Cervical Cancer/Precancer | CERCA | 24 |
 |  |  | Other Gynae Neoplasia | GYNCA | 12 |
 | Menstrual abn/ Pelvic pain | MENS | Menstrual Disorders | MENST | 27 |
 |  |  | Pelvic Pain | PELPN | 22 |
 | General Gynaecology | GGYN | Prolapse | GYPRL | 8 |
 |  |  | Other General Gynae | GYOTH | 59 |
 | Fertility | FERT | Infertility F | INFRT | 6 |
 |  |  | Fertility Control F | STRLN | 11 |
Obstetrics (PRG) | - | PREG | Antenatal Normal | ANTEN | 18 |
 |  |  | Antenatal Abnormal | ANTAB | 49 |
 |  |  | Delivery | LABOR | 16 |
 |  |  | Postnatal | PSTNT | 13 |
Other Specialties (OTH) | Neurosurgery | NEUR | Head Injury | HDINJ | 18 |
 |  |  | Neurosurgery Other | NEOTH | 41 |
 | Thoracic surgery | THOR | Thoracic | THOTH | 28 |
 | Other Injury | INJU | Injury Multiple & NOS | INJOT | 11 |
 | Other Non-Injury | OTHE | Other Non-injury | OTHER | 49 |