| Coding | Meaning |
| 180 | Accident and Emergency |
| 721 | Addiction Services |
| 343 | Adult Cystic Fibrosis Service |
| 317 | Allergy Service |
| 999 | Allied Health Professional (AHP) Services |
| 190 | Anaesthetics |
| 324 | Anticoagulant Service |
| 660 | Art Therapy |
| 310 | Audiological Medicine |
| 840 | Audiology |
| 308 | Blood and Marrow Transplantation |
| 821 | Blood Transfusion |
| 103 | Breast Surgery |
| 161 | Burns Care |
| 327 | Cardiac Rehabilitation |
| 172 | Cardiac Surgery |
| 320 | Cardiology |
| 170 | Cardiothoracic Surgery |
| 174 | Cardiothoracic Transplantation |
| 822 | Chemical Pathology |
| 711 | Child and Adolescent Psychiatry |
| 312 | Clinical Cytogenetics and Molecular Genetics |
| 311 | Clinical Genetics |
| 316 | Clinical Immunology |
| 313 | Clinical Immunology and Allergy |
| 322 | Clinical Microbiology |
| 401 | Clinical Neuro-physiology |
| 800 | Clinical Oncology |
| 305 | Clinical Pharmacology and therapeutics |
| 304 | Clinical Physiology |
| 656 | Clinical Psychology |
| 104 | Colorectal Surgery |
| 900 | Community Medicine |
| 290 | Community Paediatrics |
| 344 | Complex Specialised Rehabilitation Service |
| 331 | Congenital Heart Disease Service |
| 192 | Critical Care Medicine |
| 727 | Dementia Assessment Service |
| 450 | Dental Medicine Specialties |
| 330 | Dermatology |
| 920 | Diabetic Education Service |
| 307 | Diabetic Medicine |
| 998 | Diagnostic |
| 812 | Diagnostic Imaging |
| 654 | Dietetics |
| 659 | Drama Therapy |
| 120 | ENT |
| 720 | Eating Disorders |
| 302 | Endocrinology |
| 712 | Forensic Psychiatry |
| 610 | GP Maternity |
| 620 | GP Other |
| 301 | Gastroenterology |
| 300 | General Medicine |
| 820 | General Pathology |
| 100 | General Surgery |
| 360 | Genito Urinary Medicine |
| 430 | Geriatric Medicine |
| 503 | Gynaecological Oncology |
| 502 | Gynaecology |
| 303 | Haematology (Clinical) |
| 823 | Haematology (non-clinical) |
| 309 | Haemophilia Service |
| 105 | Hepatobiliary and Pancreatic Surgery |
| 306 | Hepatology |
| 824 | Histopathology |
| 830 | Immunopathology |
| 350 | Infectious Diseases |
| 318 | Intermediate Care |
| 811 | Interventional Radiology |
| 990 | Joint Consultant Clinics |
| 722 | Liaison Psychiatry |
| 346 | Local Specialist Rehabilitation Service |
| 144 | Maxillo-Facial Surgery |
| 831 | Medical Microbiology |
| 370 | Medical Oncology |
| 460 | Medical Ophthalmology |
| 834 | Medical Virology |
| 700 | Mental Handicap |
| 726 | Mental Health Dual Diagnosis Service |
| 725 | Mental Health Recovery and Rehabilitation Service |
| 710 | Mental Illness |
| 560 | Midwifery |
| 661 | Music Therapy |
| 361 | Nephrology |
| 400 | Neurology |
| 832 | Neuropathology |
| 150 | Neurosurgery |
| 199 | Non-UK provider; specialty function not know, treatment mainly surgical (only applicable for overseas providers) |
| 499 | Non-UK provider; specialty function not known, treatment mainly medical (only applicable for overseas providers) |
| 371 | Nuclear Medicine |
| 950 | Nursing |
| 501 | Obstetrics (for patients using a bed) |
| 510 | Obstetrics - AN (outpatients) |
| 520 | Obstetrics - PN (outpatients) |
| 901 | Occupational Medicine |
| 651 | Occupational Therapy |
| 715 | Old Age Psychiatry |
| 130 | Ophthalmology |
| 662 | Optometry |
| 140 | Oral Surgery |
| 143 | Orthodontics |
| 655 | Orthoptics |
| 658 | Orthotics |
| 254 | Paediatric Audiological Medicine |
| 220 | Paediatric Burns Care |
| 221 | Paediatric Cardiac Surgery |
| 321 | Paediatric Cardiology |
| 253 | Paediatric Clinical Haematology |
| 255 | Paediatric Clinical Immunology and Allergy Service |
| 264 | Paediatric Cystic Fibrosis |
| 142 | Paediatric Dentistry |
| 257 | Paediatric Dermatology |
| 263 | Paediatric Diabetic Medicine |
| 215 | Paediatric Ear Nose and Throat |
| 252 | Paediatric Endocrinology |
| 223 | Paediatric Epilepsy |
| 251 | Paediatric Gastroenterology |
| 213 | Paediatric Gastrointestinal Surgery |
| 256 | Paediatric Infectious Diseases |
| 242 | Paediatric Intensive Care |
| 280 | Paediatric Interventional Radiology |
| 217 | Paediatric Maxillo-Facial Surgery |
| 260 | Paediatric Medical Oncology |
| 261 | Paediatric Metabolic Disease |
| 259 | Paediatric Nephrology |
| 291 | Paediatric Neuro-Disability |
| 421 | Paediatric Neurology |
| 218 | Paediatric Neurosurgery |
| 216 | Paediatric Ophthalmology |
| 241 | Paediatric Pain Management |
| 219 | Paediatric Plastic Surgery |
| 258 | Paediatric Respiratory Medicine |
| 262 | Paediatric Rheumatology |
| 171 | Paediatric Surgery |
| 222 | Paediatric Thoracic Surgery |
| 212 | Paediatric Transplantation Surgery |
| 214 | Paediatric Trauma and Orthopaedics |
| 211 | Paediatric Urology |
| 420 | Paediatrics |
| 191 | Pain Management |
| 315 | Palliative Medicine |
| 724 | Perinatal Psychiatry |
| 650 | Physiotherapy |
| 160 | Plastic Surgery |
| 663 | Podiatric Surgery |
| 653 | Podiatry |
| 342 | Programmed Pulmonary Rehabilitation |
| 657 | Prosthetics |
| 723 | Psychiatric Intensive Care |
| 713 | Psychotherapy |
| 810 | Radiology |
| 314 | Rehabilitation |
| 341 | Respiratory Physiology |
| 319 | Respite Care |
| 141 | Restorative Dentistry |
| 410 | Rheumatology |
| 345 | Specialist Rehabilitation Service |
| 652 | Speech and Language Therapy |
| 323 | Spinal Injuries |
| 108 | Spinal Surgery Service |
| 325 | Sport and Exercise Medicine |
| 328 | Stroke Medicine |
| 340 | Thoracic Medicine |
| 173 | Thoracic Surgery |
| 329 | Transient Ischaemic Attack |
| 102 | Transplantation Surgery |
| 110 | Trauma and Orthopaedic |
| 352 | Tropical Medicine |
| 106 | Upper Gastrointestinal Surgery |
| 101 | Urology |
| 107 | Vascular Surgery |
| 422 | Neonatology |
| 424 | Well Babies |