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0050028
Apolipoprotein B/A Ratio
APO B/A
Ordering Recommendation
Acceptable nontraditional secondary cardiovascular risk screen for specific populations.
Methodology
Quantitative Immunoturbidimetry
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, plasma separator tube, K2EDTA, lithium heparin
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP standard transport tube. (Min: 0.5 mL)
Storage/Transport Temperature
Refrigerated.
Unacceptable Conditions
Remarks
Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 8 days; Frozen: 2 months
Reference Interval
| Test Number |
Components |
Reference Interval |
||||
|---|---|---|---|---|---|---|
| Apolipoprotein B |
|
|||||
| Apolipoprotein A-1 |
|
Interpretive Data
The ratio of apolipoprotein B/A can provide an estimate of the risk for major adverse cardiovascular events in adults.
| Apolipoprotein B/A Ratio: | |
|---|---|
| Low Risk | 0.2 - 0.6 |
| Medium Risk | 0.61 - 0.90 |
| High Risk | 0.91 - 5.0 |
Compliance Category
FDA
Note
Hotline History
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
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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