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HelpTest Code APOS Apolipoproteins A1 and B
Laboratory Code
LAB3041006
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 | 3 days |
| Frozen | 3 months |
Panel Information
Panel includes the following tests:
- Apolipoprotein A1
- Apolipoprotein B
Methodology
Immunoturbidimetry
Days and Times Performed
Thursday, TAT 8 days
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Gross Lipaemia | Alert/Reject |
| Others | Not applicable |
Reference Interval
Apolipoprotein A1
| Age | Male (mg/dL) | Female (mg/dL) |
|---|---|---|
| 0 – < 1 yr | 61 – 164 | 59 – 169 |
| 1 – 11 yrs | 93 – 172 | 86 – 179 |
| 12 – 59 yrs | 95 – 186 | 101 – 223 |
| 60 – 119 yrs | – | 91 – 224 |
| ≥ 60 yrs | 73 – 186 | – |
Apolipoprotein B
| Age | Male (mg/dL) | Female (mg/dL) |
|---|---|---|
| 0 – < 1 yr | 16 – 124 | 17 – 120 |
| 1 – 11 yrs | 48 – 125 | 51 – 126 |
| 12 – 59 yrs | 49 – 173 | 53 – 182 |
| 60 – Unspecified | – | 64 – 182 |
| > 60 yrs | 54 – 163 | – |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Second line test for the assessment of cardiovascular risk.
Service Code
31171
LOINC Code Information
| Apolipoprotein A1 | 1869-7 |
|---|---|
| Apolipoprotein B | 1884-6 |
Alias
APOAB
ApoA1 and Apo B100
Update
Last updated 10/03/2025