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HelpTest Code APOS Apolipoproteins A1 and B
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0 mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Fast patient 10 - 12 hours before sample collection. Allow specimen to clot for 30 mins and centrifuge within 2 hrs.
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 3 days |
| Refrigerate | 5 days |
| Frozen | 3 months |
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Gross Lipaemia | Alert/Reject |
| Others | Not applicable |
Methodology
Immunoturbidimetry
Days and Times Performed
Thursday, TAT 8 days
Reference Interval
Apolipoprotein A1
≥ 13 yrs: M 1.07 - 1.90; F 1.16 - 1.97 g/L
Apolipoprotein B
≥ 13 yrs: M 0.66 - 1.59; F 0.60 - 1.62 g/L
Testing Laboratory
Department of Pathology
Singapore General Hospital
Outram Road
Singapore 169608
63214950
Useful For
Second line test for the assessment of cardiovascular risk.
Service Code
31171
Update
Last updated 01/10/2025
Panel Information
Panel includes the following tests:
- Apolipoprotein A1
- Apolipoprotein B
Laboratory Code
LAB3041006
Alias
APOAB
ApoA1 and Apo B100
LOINC Code Information
| Apolipoprotein A1 | 1869-7 |
|---|---|
| Apolipoprotein B | 1884-6 |