Quick highlights
- Indicates past exposure pattern rather than current infection
- NAAT/PCR is preferred for diagnosing active chlamydia infection
- Useful only in selected clinical contexts under clinician guidance
- No fasting; simple serum blood test
- Interpretation requires confidentiality and accurate history
- IgG can remain positive long after exposure
- A negative result does not rule out current infection
- Often paired with NAAT if active infection suspected
- Home blood collection available in many service areas
- SEO coverage: chlamydia IgG test, chlamydia antibody test, STI blood test limitations
What’s included
Preparation
- Book blood draw (home or lab)
- No fasting required
- Discuss symptoms and exposure timeline with clinician
- Do not rely on IgG to diagnose current infection
- If active infection suspected, request NAAT/PCR as advised
- Collect serum blood sample via trained phlebotomist
- Download report from <a href='/my-account/'>View reports</a>
- Review results with clinician for appropriate next steps
FAQs
It measures antibodies that may indicate past exposure to Chlamydia species.
No. NAAT/PCR from urine or swab is preferred for diagnosing active infection.
No.
Not based on IgG alone. Treatment decisions require clinician assessment and appropriate diagnostic testing.
Yes, antibodies can persist; clinicians interpret it as exposure history.
Not necessarily. It does not rule out current infection; NAAT/PCR is used for active infection diagnosis.
In selected infertility or past exposure evaluations where serology may add context.
Serum blood sample.
Yes in many serviceable areas.
Consult your clinician; NAAT/PCR is typically recommended for active infection.
If active infection is diagnosed, partner evaluation is usually advised by clinicians.
Often same day or within 24 hours.
Download from <a href='/my-account/'>View reports</a>.
Labs maintain confidentiality; discuss with your clinician for proper counseling.
Notes
IgG indicates past exposure, not active infection.
