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Chlamydia psittaci Antibody, Serum (Qualitative PCR)

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

This test detects antibodies to *Chlamydia psittaci*, a bacterium linked to psittacosis—a respiratory illness primarily spread through contact with infected birds or contaminated environments.

Quick summary

["This screening helps identify possible exposure to psittacosis-causing bacteria."]

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

Key facts at a glance

LOINC
31780-0
Short code
C psittaci Ag Spec Ql
Synonyms
C psittaci Ag Spec Ql
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 uses a **qualitative PCR (Polymerase Chain Reaction) method** on serum to detect specific genetic material (antibodies) from *Chlamydia psittaci*. If present, it suggests prior exposure or infection, though acute infection may require additional testing.

Why It Matters for You

While antibodies indicate exposure, they don’t always confirm active infection. This test is often used in high-risk groups (e.g., bird handlers, travelers to endemic areas) to assess potential exposure rather than diagnose current illness.

When You Might Need This Test

Your healthcare provider may recommend this test if you’ve had contact with birds, symptoms like fever/chest pain, or if you’re in a region where psittacosis is common. It’s not a routine screening test for the general population.

What to Expect Before the Test

No special preparation is needed. A blood sample will be drawn from a vein in your arm. Results are typically qualitative (positive/negative) and may take several days to weeks for final confirmation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Psittacosis Antibody Screen (Serum)

Frequently asked questions

Will this test show if I have active psittacosis?
No. This test detects antibodies (indicating past or possible exposure), not active infection. For active illness, your doctor may order additional tests like a respiratory PCR or culture.
Can I get this test at home?
No. This is a blood-based lab test requiring a healthcare provider’s order and professional collection. Some at-home antibody tests exist for other infections but are not equivalent to this specific PCR method.
How long does it take to get results?
Results are typically reported as qualitative (positive/negative) within 1–2 weeks, but final interpretation may require additional follow-up testing. Always confirm with your provider.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

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