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Rheumatoid Factor

Test Code
RA


Alias/See Also
RA


CPT Codes
86431

Preferred Specimen
0.6 ml of whole blood (0.3 mL of serum or plasma)


Minimum Volume
0.2 mL of whole blood (0.1 mL of serum or plasma)


Instructions
Fasting specimen preferred.  Separate from cellular material within 2 hours of collection.


Transport Container
Serum Separator (gold top), Heparinized plasma (green or mint top)


Transport Temperature
Room Temperature


Specimen Stability
Room Temperature: 24 hours
Refrigerated 3 days
Frozen: 6 monts at -20 C


Methodology
Two Point Rate

Setup Schedule
Set up daily.


Report Available
Reports in 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.