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Apolipoprotein B/A Ratio
0050028
Ordering Recommendation
Not usually recommended for cardiovascular disease risk assessment.
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.
Submit With Order
ARUP Consult®
Disease Topics
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
0050030Apolipoprotein A-1Male: 94-178 mg/dL
Female: 101-199 mg/dL
0050029Apolipoprotein BMale: 55-140 mg/dL
Female: 55-125 mg/dL
 Apolipoprotein B/A RatioNo reference interval

Interpretive Data
The ratio of apolipoprotein B/apolipoprotein A-1 can provide an estimate ofthe relative risk for coronary atherosclerotic disease.


Relative Risk: Apolipoprotein B/A-1
Male
Female
One Half Average Risk0.40.3
Average Risk1.00.9
Twice Average Risk1.61.5

Note
CPT Code(s)
82172 x2
Components
Component Test Code*Component Chart NameLOINC
0050027Apolipoprotein B/A Ratio1874-7
0050029Apolipoprotein B1871-3
0050030Apolipoprotein A-11869-7
* 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