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Test ID APOLB Apolipoprotein B, Serum

Specimen Required

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into plastic vial. Send refrigerated.


If not ordering electronically, complete, print, and send a Cardiovascular Test Request Form (T724) with the specimen.

Useful For

Assessment of cardiovascular risk


Follow-up studies in individuals with basic lipid measures inconsistent with risk factors or clinical presentation


Definitive studies of cardiac risk factors in individuals with significant family histories of coronary artery disease or other increased risk factors


Confirmation of suspected abetalipoproteinemia or hypobetalipoproteinemia

Method Name

Automated Turbidimetric Immunoassay

Reporting Name

Apolipoprotein B, S

Specimen Type


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 8 days
  Frozen  60 days
  Ambient  24 hours

Reference Values

<2 years: Not established


2-17 years:

Acceptable: <90 mg/dL

Borderline high: 90-109 mg/dL

High: ≥110 mg/dL


>18 years:

Desirable: <90 mg/dL

Above Desirable: 90-99 mg/dL

Borderline high: 100-119 mg/dL

High: 120-139 mg/dL

Very high: ≥140 mg/dL

Day(s) Performed

Monday through Sunday

Report Available

1 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
APOLB Apolipoprotein B, S 1884-6


Result ID Test Result Name Result LOINC Value
APOLB Apolipoprotein B, S 1884-6