Rheumatoid Factor (RF), reflex

Test Code
RF


Preferred Specimen
Serum


Instructions
If positive, titer performed at an additional charge


Transport Container
SST tube


Transport Temperature
Refrigerated


Reference Range
See report for normal ranges.


Clinical Significance
Rheumatoid factors may be found in scleroderma, lupus erythematosus, hepatitis, hypergammaglobulinemia, and Sjogren's syndrome.




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.