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UKCRC Health Research Classification System

6.4 Surgery

Main inclusion criteria

Clinical and applied application and evaluation of surgical, obstetric and dental interventions in humans including:

  • small scale and pilot studies
  • phase I, II, III and IV trials
  • procedures including organ and bone marrow transplantation, tissue grafts and transfusions
  • monitoring outcomes, side effects and rejection


Advice on research activities

Includes invasive mechanical procedures.

Official terminology

Full name of code

Short name Unique ID
6.4 Surgery 6.4 Surgery



Related external links

Common Scientific Outline (CSO) – 5.2 Localised Therapies – Clinical Applications