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Test Code HDL HDL-Cholestrol

Specimen Requirements

Submit only one of the followings

Specimen Type: Serum
Container/Tube: Gold Top (SSTII) 
Volume: 5.0mL
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours




Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin/PST)
Volume: 4.5mL
Minimum Volume: 0.5mL plasma
Collection Instructions: Centrifuge within 2 hours

Sample Stability

** Preferred temperatures for storage prior to and during shipping to NUH **


Specimen Type: Serum/Plasma
Ambient: 2 days
Refrigerate: 7 days
Frozen: 3 months


Reference Interval

Low <1.0 mmol/L
Desirable 1.0 –1.5 mmol/L
Optimal ≥ 1.6 mmol/L

Days and Times Performed

24 hours, TAT 1 day


Accelerator Selective Detergent

Service Code



Last updated 26/02/2022

Unacceptable Condition


Haemolysis NA
Icterus NA
Lipaemic NA
Others NA


Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Negative risk factor for Coronary Heart Disease (CHD)