ARUP's Laboratory Test Directory

Apolipoprotein A-1 : 0050030

Mnemonic: APO A-1

Ordering Recommendation: Not recommended for cardiovascular disease risk assessment. Use to detect the very rare familial alpha-lipoprotein deficiency.
Methodology: Quantitative Nephelometry
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Patient Prep: Freshly drawn 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.

Remarks: Separate serum from cells ASAP.

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: 94-178 mg/dL
Female: 101-199 mg/dL
Note: This protein is found in high density lipoprotein.
CPT Code(s): 82172
Cross References: APO-A1 (Apolipoprotein A-1), High Density Lipoprotein (Apolipoprotein A-1), High Density Lipoprotein, A-1 (Apolipoprotein A-1)