This document is intended for private practice general practitioners (GP) and family physicians in Singapore who wish to initiate or expand on HIV testing services in their clinics. It provides a consolidated source of pertinent information and complements current national guidelines on HIV testing. The objective of this document is to increase HIV testing among patients, identify patients with unrecognized HIV infection and link them to care and reduce the risk of infection to patients who are currently uninfected with HIV but continue to be at risk.