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Chlamydia psittaci Antibody, Serum (Qualitative Immunoassay)

Published: August 9, 2026Updated: August 16, 2026

This test detects antibodies in your blood that may indicate past or current exposure to *Chlamydia psittaci*, a bacterium linked to psittacosis—a respiratory illness primarily spread by birds (e.g., parrots, cockatiels). Antibodies suggest your immune system has encountered this organism, though active infection may require additional testing.

Quick summary

["This screening helps assess potential exposure risk or past infection, not current illness."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
104368-6
Short code
C psittaci Ab sp2 Titr Ser IA
Synonyms
C psittaci Ab sp2 Titr Ser IA
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ia
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What This Test Measures

The test identifies specific antibodies (immunoglobulins) produced by your immune system in response to *Chlamydia psittaci*. These antibodies are detected using an immunoassay method, which detects the presence of these proteins in your serum. This is a qualitative test, meaning it only tells you if antibodies are present (positive) or absent (negative), not their exact quantity.

Why It’s Done

Doctors may order this test if you’ve had contact with birds (e.g., handling, feeding, or living with infected birds), symptoms of respiratory illness (e.g., fever, cough, shortness of breath), or if you’re at higher risk for exposure (e.g., veterinarians, bird handlers). It’s not a diagnostic test for active infection but can help guide further evaluation.

What to Expect

No special preparation is needed. A blood sample is drawn from a vein in your arm. Results are typically available within 24–48 hours, depending on lab processing. If positive, follow-up testing (e.g., confirmatory assays) may be recommended to assess infection status.

Interpretation & Next Steps

A positive result suggests past or possible exposure but does not confirm active infection. If symptoms persist or you suspect exposure, consult your healthcare provider for additional testing (e.g., PCR or culture). A negative result means no detectable antibodies were found at this time.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Chlamydia psittaci can cause psittacosis, a zoonotic disease spread through inhalation of contaminated bird droppings or dust. Antibody detection helps identify exposure history, which may inform preventive measures (e.g., avoiding high-risk activities) or further diagnostic workup if symptoms arise. False positives are rare but possible; confirmatory testing may be needed for unclear results.

Short name

Psittacosis Antibody Screen

Frequently asked questions

How long does it take to get results?
Results are typically ready within 24–48 hours, depending on your lab’s processing schedule. Your healthcare provider will contact you once available.
Can I get this test if I’m not a bird owner?
Yes, this test is ordered for anyone with potential exposure risk (e.g., travel to regions with psittacosis outbreaks, occupational exposure, or symptoms). It’s not limited to bird owners.
What does a positive result mean?
A positive result indicates your immune system may have encountered *Chlamydia psittaci* in the past, but it does not confirm active infection. Further testing is needed if you have symptoms or suspect recent exposure.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy