ARUP's Laboratory Test Directory

Apolipoprotein B : 0050029

Mnemonic: APO B-100

Ordering Recommendation: Acceptable non-traditional secondary cardiovascular disease risk screen for specific populations.
Methodology: Quantitative Nephelometry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Patient Prep: 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.

Stability (collection to initiation of testing): 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
Note: This protein is found in low density lipoprotein.
CPT Code(s): 82172
Cross References: APO-B100 (Apolipoprotein B), BHL, Apliopoprotein B (Apolipoprotein, B), Low Density Lipoprotein (Apolipoprotein B), Low Density Lipoprotein, B (Apolipoprotein B)