Chlamydia trachomatis Antibodies (IgG, IgA, IgM)
Also known as: CT
Use
Serologic evaluation for Chlamydia trachomatis infection through detection of IgG, IgA, and IgM class antibodies; useful in diagnosing current or prior exposure, particularly in settings where direct detection may not be available.
Special Instructions
Not provided.
Limitations
Interpretation of serologic results may be limited by cross‑reactivity, persistent antibodies post‑infection, or inability to distinguish past from active infection. IgM may indicate recent infection but can be nonspecific; confirmatory testing or clinical correlation may be needed.
New York Approved
Methodology
Immunoassay (Immunofluorescence assay)
Biomarkers
LOINC Codes
- 6919-5
- 44079-2
- 6920-3
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.1 mL
Container
Serum separator tube (SST) or red top
Collection Instructions
Collect serum in SST (gold) or red‑top tube; centrifuge and transfer serum.
Storage Instructions
Send refrigerated.
Causes for Rejection
Gross hemolysis; gross lipemia; grossly icteric
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 30 days |
Other tests from different labs that may be relevant