Rheumatoid Arthritis Diagnostic Panel

Test Code
17669


CPT Codes
86200, 86431

Includes
Rheumatoid Factor
Cyclic Citrullinated Peptide (CCP) Antibody (IgG)


Preferred Specimen
2 mL serum


Minimum Volume
1 mL


Transport Container
Plastic screw-cap vial


Transport Temperature
Room temperature


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Plasma


Methodology
Immunoturbidimetry • Immunoassay (IA)

Setup Schedule
Set up: Mon-Fri a.m.; Report available: Next day


Reference Range
Rheumatoid Factor <14 IU/mL
CCP Antibody, IgG  
  Negative <20
  Weak Positive 20-39
  Moderate/Strong Positive 40-59
  Strong Positive  >59


Clinical Significance

The combination of RF and anti-CCP antibodies provide greater specificity for the diagnosis of Rheumatoid Arthritis (RA). CCP antibodies may be present earlier than RF and often indicate increased erosive disease in RA.



Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



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.