Chlamydia trachomatis Antibodies (IgG, IgA, IgM)
Test code
CPT code(s)*
Test resources
Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.
Details
Methodology
Immunofluorescence Assay (IFA)
Assay category
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Alternative name(s)
CT
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 1 mL serum |
| Minimum volume | 0.1 mL |
| Collection instructions | Serum: Collect in a serum separator tube or red-top tube (no gel). The tube should be centrifuged after clotting. Spun serum separator tubes may be submitted at room temperature or refrigerated unopened without transfer to a plastic screw-cap vial. Red-top tube (no gel) serum should be transferred to a plastic screw-cap vial and submitted for testing. |
| Transport container | Transport tube |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days |
| Reject criteria | Gross hemolysis • Grossly lipemic • Grossly icteric • Samples submitted in original red-top tube (no gel) |
Reference Range(s)
| C. trachomatis Ab (IgG) | <1:64 |
| C. trachomatis Ab (IgA) | <1:16 |
| C. trachomatis Ab (IgM) | <1:10 |
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 guidance 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.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.