Quest Laboratories is a subsidiary of Healthscope Ltd, an Australian publicly listed company which owns and manages over 40 Acute Medical/Surgical Hospitals, Rehabilitation Hospitals and Psychiatric Facilities in Australia.

Quest Laboratories is the largest independent private pathology laboratory and the first private laboratory in Singapore to attain the ISO15189 SINGLAS accreditation.

Its core laboratory, situated at the Frontech Centre employs over 200 staff, with some 40 courier team members managing the collection of laboratory specimens from general practitioner and specialist clinics all over Singapore. Quest satellite laboratory, situated within the medical centre at The Paragon and right in the heart of Orchard Road, is strategically located to service the specialist clinics in that area.

Quest Laboratories currently provides an extensive range of laboratory services to over 1,000 medical professionals in addition to Hospitals and Corporate clients. The medical laboratory testing include Haematology, Serology, Microbiology, Immunology, Clinical Chemistry, Cytology, Histology and Molecular Biology.

Quest Laboratories is committed to quality control with extensive internal quality control and calibration programs. Our internal QC & calibration are strictly monitored on a daily basis. Additionally, Quest also participates in the following external quality control programs:

1. The Royal College of Pathologists of Australasia (RPCA) for all the different disciplines stated above.
2. Singapore Health Promotion Board Approved CSS Laboratory for Cervical Cytology Screen
3. External Quality Assurance Services (EQAS)
4. Centre de toxicologie du Quebec (NEQAS) for Industrial Toxicology tests
5. NTP Scheme for MP and AFB
6. National HIV Reference Laboratory
7. National Proficiency Testing Scheme for ABO Group & Rhesus (SGH)