This field contains a code that defines the specialty under which the consultant is contracted.

It can be compared with tretspef, the specialty under which the consultant worked.

100 = General surgery

101 = Urology

110 = Trauma and orthopaedics

120 = Ear, nose and throat (ENT)

130 = Ophthalmology

140 = Oral surgery

141 = Restorative dentistry

142 = Paediatric dentistry (available from 1999-2000)

143 = Orthodontics

145 = Oral and maxillo facial surgery (available from 2004-05)

146 = Endodontics (available from 2004-05)

147 = Periodontics (available from 2004-05)

148 = Prosthodontics (available from 2004-05)

149 = Surgical dentistry (available from 2004-05)

150 = Neurosurgery

160 = Plastic surgery

170 = Cardiothoracic surgery

171 = Paediatric surgery

180 = Accident and emergency (A&E;)

190 = Anaesthetics

191 = Pain management (available from 1998-99 to 2003-04)

192 = Critical care medicine (available from 2004-05)

199 = Non-UK Provider - specialty function not known, treatment mainly surgical

300 = General medicine

301 = Gastroenterology

302 = Endocrinology

303 = Clinical haemotology

304 = Clinical physiology

305 = Clinical pharmacology

310 = Audiological medicine

311 = Clinical genetics

312 = Clinical cytogenics and molecular genetics (available from 1990-91)

313 = Clinical immunology and allergy (available from 1991-92)

314 = Rehabilitation (available from 1991-92)

315 = Palliative medicine

320 = Cardiology

321 = Paediatric cardiology (available from 2004-05)

330 = Dermatology

340 = Respiratory medicine (also known as thoracic medicine)

350 = Infectious diseases

352 = Tropical medicine (available from 2004-05)

360 = Genito-urinary medicine

361 = Nephrology

370 = Medical oncology

371 = Nuclear medicine

400 = Neurology

401 = Clinical neuro-physiology

410 = Rheumatology

420 = Paediatrics

421 = Paediatric neurology

430 = Geriatric medicine

450 = Dental medicine (available from 1990-91)

460 = Medical opthalmology (available from 1993-94)

499 = Non-UK Provider - specialty function not known, treatment mainly medical

501 = Obstetrics (prior to 2004-05: Obstetrics for patients using a hospital bed or delivery facilities)

502 = Gynaecology

560 = Midwifery (available from October 1995)

600 = General Medical Practice

601 = General Dental Practice

610 = General practice with maternity function (available to 2003-04)

620 = General practice other than maternity (available to 2003-04)

700 = Learning disability (previously known as mental handicap)

710 = Adult mental illness

711 = Child and adolescent psychiatry

712 = Forensic psychiatry

713 = Psychotherapy

715 = Old age psychiatry (available from 1990-91)

800 = Clinical oncology (previously Radiotherapy)

810 = Radiology

820 = General pathology

821 = Blood transfusion

822 = Chemical pathology

823 = Haematology

824 = Histopathology

830 = Immunopathology

831 = Medical microbiology

832 = Neuropathology (available to 2003-04)

900 = Community medicine

901 = Occupational medicine

902 = Community health services - dental (available from 2004-05)

903 = Public health medicine (available from 2004-05)

904 = Public health dental (available from 2004-05)

950 = Nursing episode (available from 2002-03)

960 = Allied health professional episode (available from 2006-07)

null = Other maternity event

& = Not known