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HelpTest Code LDLM LDL-Cholesterol, Measured
Specimen Requirements
Submit only one of the followings
Preferred
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
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Acceptable
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 |
|---|---|
| Ambient: | Send the sample to the laboratory immediately |
| Refrigerate: | 5 days |
| Frozen: | 3 months, at -80˚C |
Reference Interval
Interpretation:
| Optimal | <2.6 mmol/L |
|---|---|
| Desirable | 2.6 – 3.3 mmol/L |
| Borderline high | 3.4 – 4.0 mmol/L |
| High | 4.1 – 4.8 mmol/L |
| Very high | ≥4.9 mmol/L |
Call back values: NA
Days and Times Performed
24 hours, TAT 1 day
Methodology
Measured, Liquid Selective Detergent
Service Code
31165
Update
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
Risk factor for Coronary Heart Disease (CHD)