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HelpTest Code HSCRP High Sensitive C-Reactive Protein
Laboratory Code
LAB149
Specimen Requirements
Submit only one of the following:
Preferred
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0 mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs.
Acceptable
Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin/PST)
Volume: 4.5 mL
Minimum Volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hrs.
Specimen Stability
| Specimen Type | Serum/Plasma |
|---|---|
| Ambient | 15 days |
| Refrigerate | 2 months |
| Frozen | 3 years |
Methodology
Immunoturbidimetry
Specimen Condition
| Gross Haemolysis | Alert/Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Not applicable |
Reference Interval
Interpretation:
| Low cardiovascular risk | < 1.0 mg/L |
|---|---|
| Average cardiovascular risk | 1.0 – 3.0 mg/L |
| High cardiovascular risk | > 3.0 mg/L |
The American Heart Association and U.S Centers for Disease Control and Prevention risk groups.
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
For risk management of coronary heart disease and for early detection of infection in paediatric patients.
Service Code
31058
LOINC Code Information
30522-7
Alias
CRP Cardiac
Ultra-Sensitive C-Reactive Protein (CRP)
Update
Last updated 11/03/2025