91029      Beta-2-Microglobulin, Serum
Specimen:
  Collect: One 7.5 mL SST

Also Acceptable
One 4 mL Lavender (EDTA)
One 4 mL Green Top (Li Heparin)
One 4 mL Green Top (Na Heparin)
One 6 mL Pink Top (EDTA) 
  Submit: 1 mL (Min:0.3 mL) Serum. Submit Frozen. Submit in a Standard Transport Tube.

Also Acceptable
1 mL (Min:0.3 mL) Plasma. Submit Frozen. Submit in a Standard Transport Tube. 
  Special Handling: Allow specimen to clot completely at room temperature
Separate aliquot required for each frozen test ordered
Separate from cells ASAP 
  Stability: Ambient: 8 Hour(s); Refrigerated: 3 Day(s); Frozen: 6 Month(s); Incubated: Unacceptable 
Methodology: Immunoturbidometric 
Performed: Sun-Sat 
Reported: 1-2 Day(s) 
CPT Codes:
82232
Interpretive Data:
General Reference Range : 1.1-2.4 mg/L