The words to use
- Physician associate (physician assistant)
- Trains for two years after a science degree, then assesses and treats patients under a supervising doctor. Called physician assistant at work since Leng; the legal change is pending.
- Undifferentiated patient
- A patient whose problem has not yet been assessed or diagnosed. Leng said PAs should not see them except within clearly defined national protocols.
- Scope of practice
- What a professional is trained and allowed to do in a role. In September 2025 the High Court held the GMC's refusal to set one for PAs was lawful.
- Leng review
- The independent review of the PA and anaesthesia associate roles, led by Professor Gillian Leng. The government accepted all 18 recommendations on 16 July 2025.
- GMC registration
- The GMC has regulated PAs since 13 December 2024. From December 2026, registration is a legal requirement for anyone using the title.