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Test Name

Rheumatoid Arthritis Diagnostic Panel 1

CPT Code(s)

86431, 86200

Includes

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

Methodology

Immunoturbidimetry • Immunoassay (IA)

Reference Range(s)

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.

To view specimen requirements and codes please Select a regional laboratory.

Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided 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 payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

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Rheumatoid Arthritis Diagnostic Panel 1
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