Chlamydia psittaci IgG Antibody (Serum) – Quantitative
This test measures the level of antibodies your body produces in response to *Chlamydia psittaci*, a bacteria linked to a rare but serious respiratory infection called psittacosis. Antibodies indicate past or potential exposure.
["This test helps assess whether you’ve been exposed to *Chlamydia psittaci* and may support diagnosis or monitoring of psittacosis."]
Key facts at a glance
- LOINC
- 110785-3
- Short code
- C psittaci IgG Msmt Ser
- Synonyms
- C psittaci IgG Msmt Ser
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 82784
- 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
Why This Test Is Done
Your healthcare provider may order this test if you have symptoms like fever, cough, or shortness of breath—especially if you’ve been exposed to birds, poultry, or contaminated environments. It may also be used in screening for travelers or in outbreaks.
What to Expect Before the Test
No special preparation is needed. A blood sample is drawn from a vein, typically in your arm. You may feel slight discomfort, but it usually lasts only a few seconds.
What the Results Mean
A positive result suggests past exposure to *Chlamydia psittaci*, while a negative result means no detectable antibodies. Results alone don’t confirm active infection—additional testing may be needed.
Possible Side Effects
Common side effects include mild bruising, redness, or swelling at the injection site. Rarely, you might experience dizziness or a temporary drop in blood pressure after the draw.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
IgG Antibody to Chlamydia psittaci
Frequently asked questions
This test is primarily used to identify exposure history rather than active infection. It may guide further evaluation for psittacosis, especially in high-risk groups (e.g., bird handlers, travelers to endemic regions). False positives can occur with other infections or prior exposures, so results should be interpreted by a healthcare provider.
Results are typically available within 2–5 business days, depending on your lab’s processing time. Your provider will discuss them with you during a follow-up visit.
No dietary restrictions apply. You can eat and drink normally before the blood draw, but avoid caffeine or alcohol in excess if your provider has specific instructions.
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