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Chlamydia trachomatis Nucleic Acid Detection by Genital Specimen Nucleic Acid Probe

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

This test checks for the presence of Chlamydia bacteria in your genital area using a molecular probe to detect genetic material.

Quick summary

["A quick way to identify chlamydia infection in your reproductive tract."]

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

Key facts at a glance

LOINC
32774-2
Short code
Chlamydia DNA Genital Ql NAA+probe
Synonyms
Chlamydia DNA Genital Ql NAA+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-amp-tar
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

Chlamydia is a common bacterial infection often spread through sexual contact. This test helps confirm if you have an infection, which can cause serious health problems if untreated, such as pelvic inflammatory disease or infertility in women, or epididymitis in men. Early detection allows for prompt treatment with antibiotics.

How the Test Works

The test uses a specialized probe to detect genetic material from Chlamydia in your genital sample. This method is highly sensitive and can detect even small amounts of the bacteria. The sample is typically collected from the cervix in women or the urethra in men, or from other genital areas as directed by your healthcare provider.

Sample Collection Process

You may receive instructions to collect a sample at home or have a healthcare provider perform it during a medical visit. The sample is usually taken using a swab, which is then sent to a lab for testing. The results are usually available within a few days.

Test Results and Interpretation

If the test is positive, it means Chlamydia DNA is present, indicating an infection. A negative result means no detectable Chlamydia DNA was found in the sample. Your healthcare provider will discuss the results with you and may recommend follow-up testing or treatment based on your symptoms and medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Chlamydia Genital NA Probe

Frequently asked questions

What are the possible causes of a positive test result?
A positive result indicates an active Chlamydia infection. This could be due to recent sexual contact with someone infected, or from an untreated infection that has persisted. It’s important to note that Chlamydia can sometimes be asymptomatic, meaning you might not have any noticeable symptoms but still be contagious.
What if I have symptoms but the test is negative?
Symptoms like discharge, pain during urination, or abnormal bleeding may not always mean Chlamydia. Other infections or conditions could cause similar symptoms. If you have concerning symptoms, your healthcare provider may recommend additional testing or retesting to rule out other causes.
Can this test detect other sexually transmitted infections (STIs)?
This specific test only detects Chlamydia. For other STIs, additional tests such as HIV, gonorrhea, or HPV may be needed. Always discuss your complete sexual health history with your healthcare provider to receive a comprehensive evaluation.
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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