Chlamydia nucleic acid detection by probe-based molecular assay (stool sample)
This test checks for the presence of genetic material from *Chlamydia*, a common bacterial infection that can affect the digestive tract. It helps identify if you may have an infection that could require treatment.
["A positive result may indicate a need for medical evaluation or treatment for a possible gastrointestinal infection."]
Key facts at a glance
- LOINC
- 35736-8
- Short code
- Chlamydia rRNA Nph Ql Probe
- Synonyms
- Chlamydia rRNA Nph Ql Probe
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- probe
- CPT
- 87110
- 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
Doctors may order this test if you have symptoms like stomach pain, diarrhea, or unexplained weight loss that could be linked to a gastrointestinal infection. It’s also used in certain screening programs for people at higher risk of *Chlamydia* infections.
How the Test Works
The test uses a special probe to detect genetic material from *Chlamydia* in your stool sample. This method is highly sensitive and can identify even small amounts of the bacteria, helping doctors confirm or rule out an infection.
Sample Collection
You’ll need to provide a fresh stool sample, typically collected in a provided container. Follow your healthcare provider’s instructions carefully to ensure the sample is handled properly for accurate results.
What to Expect After the Test
Results are usually available within a few days. If you have symptoms, follow up with your doctor if you get a positive result to discuss next steps, such as treatment options.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
A positive result strongly suggests a *Chlamydia* infection in the digestive tract. This can lead to complications like chronic diarrhea, malnutrition, or other long-term health issues if untreated. A negative result means the test did not detect the bacteria, but symptoms may still warrant further evaluation by a doctor.
Short name
Chlamydia stool test
Frequently asked questions
What does a positive result mean?
How soon will I get my results?
Can I take antibiotics before the test?
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