Facility · Helios Hospitals, Velachery
24-hour Laboratory at Helios, Velachery.
The Helios Hospitals laboratory works 24 hours a day, offering blood tests, biochemistry, haematology, microbiology and infection testing to support fast diagnosis.
24×7 Emergency24-hour Lab24-hour Pharmacy

15+ yearstrusted in Chennai
24 × 7emergency open
Quick answer
The Helios Hospitals laboratory works 24 hours a day, offering blood tests, biochemistry, haematology, microbiology and infection testing to support fast diagnosis.

What’s available
24-hour Laboratory: key features.
- Open 24×7 for inpatients, outpatients and emergencies
- Haematology, biochemistry and serology
- Microbiology: culture and antibiotic sensitivity for bacteria, mycobacteria and fungi
- Supports the hospital infection-control programme
- Health checkup packages
Is the Helios lab open at night?
Yes. The laboratory works 24 hours a day, every day.
Do I need to fast before a blood test?
Some tests such as fasting blood sugar and lipid profile need 8–12 hours of fasting. Our staff will tell you when booking.
Book in a minute
Need care right now?
Call 89889 84488 for emergencies, or book an appointment online in a minute.