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Test Code
CTABS
Test Name
Chlamydia trachomatis Antibodies, Serum
CPT Codes
86631 X 2, 86632
Included Tests
  • C. trachomatis Ab (IgG)
  • C. trachomatis Ab (IgA)
  • C. trachomatis Ab (IgM)
Expected Turnaround Time
7 - 12 days
Clinical Utility
Chlamydia trachomatis is the most common sexually transmitted bacterial infection. Up to 70% of women and 30% of men may be asymptomatic. Infection may lead to tubal pregnancy, pelvic inflammatory disease and infertility. Other organs may also become affected.
Specimen and Container Info

Specimen Type: Serum

Collection Container: Gold Top, Serum Separator

Alternate Collection Container: Red Top, Plain

Desired Specimen Volume: 1 mL
Collection Instructions
  1. Collect a gold top, serum separator tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 1 mL of serum to a clear aliquot tube (screw cap).
Transport Instructions

Transport to the laboratory refrigerated.

Stability Requirements

Refrigerated

30 days

Frozen

30 days

Freeze/Thaw Cycles

Stable x4
Causes for Rejection
  • Hyperlipemia 
  • Hemolyzed 
Methodology
Immunofluorescence Assay
Reference Intervals

See patient report.
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 6 times 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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