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B2 Microglobulin

Test Code
B2M


CPT Codes
82232

Preferred Specimen
Preferred: 2.0 ml of whole blood (1.0 mL of serum/plasma)


Minimum Volume
Minimum: 0.6 mL of whole blood (0.3 mL of serum/plasma)


Instructions
Fasting preferred, avoid hemolysis


Transport Container
Serum separator (gold top) or for inpatients/MSTI/ED only lithium heparin (green top)


Transport Temperature
Room Temperature


Specimen Stability
Room Temperature: 8 hours
Refrigerated: 7 days
Frozen: 14 days at -18 degrees C


Methodology
Automated

Setup Schedule
Set up Monday through Saturday


Report Available
Turn around time: 24 hours.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.