A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

RHEUMATOID FACTOR, QUANTITATIVE

Test Code
LAB8008


CPT Codes
86431

Preferred Specimen
1 Gold tube (SST)


Minimum Volume
0.5 mL (1 mL optimal)


Other Acceptable Specimens
1 Lavender tube (EDTA)


OR

1 Green tube (Lithium Heparin)


OR


 


Instructions
Centrifuge for complete separation of serum or plasma from red cells. 


Transport Container
Transfer tube


Transport Temperature
Refrigerate


Specimen Stability
  • 2-8°C up to 8 days
  • 15-30°C up to 24 hours
  • Frozen up to 3 months


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Lipemic specimens


Methodology
Immunoturbidimetric

Setup Schedule
M, T, W, Th, F, Sa, Su

As received; STAT testing is available


Reference Range
<14 IU/mL


Clinical Significance
Detection and semiquantitative determination of rheumatoid factors in blood. 


Performing Laboratory
Alverno Central Lab



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.