Portsmouth, Fareham and Gosport and Southeast Hampshire Clinical Commisioning Groups primary–secondary care NAFLD algorithm. ALT, alanine transaminase; AST, aspartate transaminase; BMI, body mass index; CVD, cardiovascular disease; FBC, full blood count; GP, generl practitioner; LFT, liver function test; NAFLD, non-alcoholic fatty liver disease; PHT, Portsmouth Hospitals NHS Trust; USS, ultrasound sonography.