Rheumatoid Factor (RF)

Message
Performed in the Chemistry Laboratory x5820
09.2018


Test Code
RF


CPT Codes
86431

Preferred Specimen
Serum from a gold top (SST) tube


Minimum Volume
1 mL


Instructions
Centrifuge within 2 hours of collection


Transport Container
Gold Top (SST) tube


Transport Temperature
Room temperature


Specimen Stability
2 - 8 oC: 3 days


Methodology
Immunoiturbidimetric

Setup Schedule
This assay is performed 24 hours per day, 7 days per week


Reference Range
< 15 IU/mL


Clinical Significance
This assay is used to aid in diagnosis of rheumatoid arthritis.




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.