Methodology: Nephelometry
Performed: Sun - Sat
Reported: Within 24 hours

Specimen Requirements:

Collect: One 4 mL gold or red SST. Fasting sample recommended.  

Transport: Centrifuge and refrigerate until courier pickup.

Unacceptable Conditions: Hemolyzed samples.

Stability: After separation from cells: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 3 months

Notes: Allow sample to clot completely at room temperature.

CPT Code: 82172 Apolipoprotein, B; 82172 Apolipoprotein, A-1