Chlamydia pneumoniae IgA

Negative (<1:16)
A negative Chlamydia pneumoniae IgA result typically suggests the absence of an active or recent infection with Chlamydia pneumoniae, a bacterium known to cause respiratory tract infections such as pneumonia and bronchitis. However, it's important to interpret this result in conjunction with the patient's clinical presentation and other diagnostic tests to rule out the possibility of a recent infection or to consider the presence of other causative agents for the respiratory symptoms. A negative result does not completely rule out the possibility of past exposure or an ongoing infection, so further clinical assessment may be necessary to make an accurate diagnosis.

The bacteria Chlamydia pneumoniae is spread by airborne droplets and infects the mucous membranes of the respiratory tract. These infections can be the cause of pharyngitis, laryngitis and sinusitis. A dry, hacking cough is the most common symptom of these infections. Not everyone who has mycoplasma and chlamydia in their nasopharynx gets sick - it depends on the body's resistance, but they can still infect others.

Chlamydia pneumoniae IgA
Healthmatters dashboard showing biomarker trend graph

Every lab result you’ve ever had, charted and explained.

Healthmatters is a tracker for your lab results. Upload a report from any lab, any country — every marker charted and explained.

Start with my report →
Beyond Chlamydia pneumoniae IgA — 10,000+ markers explained
One Chlamydia pneumoniae IgA result tells you where you are. Your history tells you where you’re heading. Upload your past lab reports and see this marker — and every marker on them —every marker charted against your own lab’s ranges.
Start with this report →
Healthmatters timeline preview showing biomarker trends over time
Clinical Sources & References

All our content is backed by peer-reviewed studies, academic research, and trusted medical sources. We’re committed to accuracy and transparency — see our editorial policy for details.

Article Review Log
Written by Healthmatters Editorial Team
Healthmatters Lifetime Plan

Pay $250. Track your health forever

One payment. No renewals. Yours for life.

10,000+ biomarkers explained · trends over time

See other plans →
Secure checkout via Stripe · GDPR & HIPAA
We accept results from any lab
LabCorp Quest Diagnostics Genova Diagnostics DUTCH Test Doctor's Data Vibrant America ZRT Laboratory Cyrex Labs + any other lab

What members are saying

★★★★★ 10,000+ happy members
★★★★★

"Watching my numbers move over the years — instead of forgetting last time's results — completely changed how I manage my health."

Daniel
Member since 2022
★★★★★

"Living across several countries made keeping my lab results organized a real challenge. Healthmatters brought my results from the USA, Spain, and Germany together — 20 years of history, with long-term trends instead of scattered reports."

Ben
Member since 2021 · tracks across countries
★★★★★

"Standard lab ranges are too wide for how I practice — 'normal' isn't optimal. I set my own bands, so a client sees yellow before a marker goes officially out of range. That's the conversation I want to be having."

Dr. Alexandra
Functional medicine · 6 yrs on Pro