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Test Code
C2ABG
Test Name
Collagen II Antibody, IgG
CPT Codes
83520
Expected Turnaround Time
Varies
Clinical Utility

Collagen II antibodies occur in 15% of the patients with rheumatoid arthritis with over 95% specificity. Collagen II antibodies are also known to occur in occur in patients with relapsing polychondritis, sensory neural hearing loss, sudden deafness and Meniere’s disease
Specimen and Container Info

Specimen Type: Serum

Alternate Specimen Type: Plasma

 

Collection Container: Gold Top, Serum Separator

Alternate Collection Container: Green Top (Sodium or Lithium Heparin)

 

Desired Specimen Volume: 2 mL

 
Collection Instructions
  1. Collect a gold top, serum separator tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells within 2 hours of collection.
  2. Transfer 2 mL of serum to a LabCorp PP transpak frozen purple tube.
Transport Instructions

Transport to the laboratory frozen. 
Stability Requirements

Room Temperature

5 days

Refrigerated

5 days

Frozen

1 year
Causes for Rejection
  • Grossly hemolyzed, lipemic or icteric samples
Methodology
ELISA
Reference Intervals

See patient report.
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 1 time per week
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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