Test Overview

Test Methodology

Immunoturbidimetric

Test Usage

Evaluate abnormalities in lipoprotein fractions. Assess risk for developing coronary heart disease (CHD).

Reference Range*

Less than 105 mg/dl (1.05 g/l)

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Monday, Thursday

Analytic Time

2 hours

Soft Order Code

APOB

MiChart Code

Apolipoprotein B

Synonyms

Laboratory

Chemical Pathology

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Specimen Requirements

Offsite Collection Instructions

Collect specimen in SST tube after an overnight (12 hours) fast . Centrifuge, aliquot serum into a plastic vial and refrigerate.

Special Handing

Fasting specimen.

Container

Normal Volume

0.5 mL serum

Minimum Volume

0.25 mL serum

Additional Information

Apolipoprotein B is the major protein component of low density lipoprotein (LDL). A significant correlation exists between Apo B and total cholesterol levels, so ApoB can be viewed as a positive risk factor for the development of CHD. Measurement of Apo B and the ratio Apo B/Apo A-1, may provide better predictive power for the assessment of risk for CHD than traditional blood lipid determinations.

Billing Information

Fee Codes

CPT Code

82172

LOINC

1884-6

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