Ordering Recommendation

Acceptable non-traditional secondary cardiovascular disease risk screen for specific populations.

Mnemonic

APO B-100

Methodology

Quantitative Nephelometry

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.

Collect

Serum separator tube.

Specimen Preparation

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

Male: 55-140 mg/dL
Female: 55-125 mg/dL

Interpretive Data

A desirable fasting serum Apo B concentration in adults is 90 mg/dL or less. A borderline-high fasting serum Apo B concentration in adults is 90 to 99 mg/dL. A high fasting serum Apo B concentration in adults is 100 to 130 mg/dL. A very high fasting serum Apo B concentration in adults is greater than 130 mg/dL.

Access complete set of age- and/or gender-specific reference intervals for this test in the ARUP Laboratory Test Directory (aruplab.com).

Compliance Category

FDA

Note

This protein is found in low density lipoprotein.

Hotline History

N/A

CPT Codes

82172

Components

Component Test Code* Component Chart Name LOINC
0050029 Apolipoprotein B 1871-3
* 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
  • APO-B
  • APO-B100
  • APOB
  • APOB-100
  • ApoB/apoB
  • BHL, Apliopoprotein B
  • Low Density Lipoprotein, B
  • Plasma Apo B
Apolipoprotein B