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HelpTest Code APOS Apolipoproteins A1 and B
Additional Codes
| Epic Ordering Code | LAB3041006 |
| NBS code | LBC13303 |
| Service code | 31171 |
Specimen Requirements
Submit the following:
| Container: |
| Gold Top |
A 10 -12 hour fasting sample is required.
Processing Requirements
Allow specimen to clot for 30 mins and centrifuge within 2 hrs.
Specimen Type: Serum
Volume: 0.5 mL
Storage/transport requirements: Refrigerated
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 3 days |
| Refrigerate | 5 days (Preferred) |
| 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
Useful For
Second line test for the assessment of cardiovascular risk.
Update
Last updated 29/06/2026
LOINC Code Information
| Apolipoprotein A1 | 1869-7 |
|---|---|
| Apolipoprotein B | 1884-6 |
Referring / Testing Laboratory
National University Hospital
Client Services, 67724912
Testing Laboratory
Department of Pathology
Singapore General Hospital
Outram Road
Singapore 169608
63214950
Panel Information
Panel includes the following tests:
- Apolipoprotein A1
- Apolipoprotein B
Alias
APOAB
ApoA1 and Apo B100