Apolipoprotein B


Sunquest Code:APOLB  
Epic Code:LAB4382Epic Name:APOLIPOPROTEIN B
Synonyms:Low Density Lipoprotein; Low Density Lipoprotein B
Methodology:Nephelometry
CPT Code:82172
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 24 hours.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red or gold (gel) (Red (no gel))
Patient Preparation:Patient must be fasting 12-14 hours.
Causes for Rejection:Hemolysis


Processing and Shipping

Specimen Processing:Separate serum from cells ASAP. Centrifuge and aliquot 1 mL, 0.5 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:50029 (APO B-100)


Interpretive

Reference Range:Female: 55-125 mg/dL; Male: 55-140 mg/dL
Use:Evaluation of risk of coronary heart disease and stroke. Correlates closely with low density lipoprotein cholesterol, as this protein is found in LDL..


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