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Test Code HDL HDL-Cholesterol

Additional Codes

Epic Ordering Code LAB101
NBS code LBC01294
Service code 31163

Specimen Requirements

Submit only one of the following:

Preferred: Acceptable:
Yellow Top Light Green Top

Processing Requirements

Allow specimen to clot for 30 mins (Yellow Top) and centrifuge within 2 hours

Specimen type: Serum

Volume: 0.5mL

Specimen Stability

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

Specimen Condition

Haemolysis OK
Icterus OK
Gross Lipaemia Alert/Reject
Others Not applicable

Methodology

Colorimetry

Days and Times Performed

24 hrs, TAT 1 day

Reference Interval

<18 years old

Acceptable >1.2 mmol/L
Borderline low 1.0 - 1.2
Low <1.0 mmol/L

 

≥ 18 years old

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

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Negative risk factor for Coronary Heart Disease (CHD).

Update

Last updated 17/07/2026

LOINC Code Information

14646-4

Alias

HDL (High Density Lipoprotein), Cholesterol