
Singapore: GL-08 Regulatory Guidelines for Laboratory Developed Tests (LDTs) Revision 2
On September 4, 2025, the Health Sciences Authority (HSA) of Singapore issued Revision 2 of GL-08: Regulatory Guidelines for Laboratory Developed Tests (LDTs). This revision aims to strike a balance between strengthening ethical safeguards for patients and easing operational demands on laboratories. Scope Guidance revision covering the use, regulation, and




