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Apolipoprotein B/A Ratio
0050028
Copy Utility
Ordering Recommendation
Acceptable nontraditional secondary cardiovascular risk screen for specific populations.
Mnemonic
APO B/A
Methodology
Quantitative Nephelometry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Fasting specimen recommended.
Collect
Serum separator tube.
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Hemolyzed specimens.
Remarks
Stability
After separation from cells: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 3 months
Reference Interval
| Test Number |
Components |
Reference Interval |
||||
|---|---|---|---|---|---|---|
| Apolipoprotein B |
|
|||||
| Apolipoprotein A-1 |
|
Interpretive Data
The ratio of apolipoprotein B/apolipoprotein A-1 can provide an estimate of the relative risk for coronary atherosclerotic disease.
| Relative Risk: Apolipoprotein B/A-1 |
Male |
Female |
|---|---|---|
| One Half Average Risk | 0.4 | 0.3 |
| Average Risk | 1.0 | 0.9 |
| Twice Average Risk | 1.6 | 1.5 |
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
82172 x2
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0050027 | Apolipoprotein B/A Ratio | 1874-7 |
| 0050029 | Apolipoprotein B | 1871-3 |
| 0050030 | Apolipoprotein A-1 | 1869-7 |
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
- Apo B & A ratio
- Apolipoprotein A-1 & B
- Apolipoprotein A1 and B, Plasma
- Apolipoprotein A1 and B-100, Plasma
- Apolipoprotein APO A/B Ratio
Apolipoprotein B/A Ratio
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