Chlamydia psittaci Antibody, Serum (Qualitative Immunoassay)
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.
["This screening helps assess potential exposure risk or past infection, not current illness."]
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?
Can I get this test if I’m not a bird owner?
What does a positive result mean?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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