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Cervical Mucus DNA Analysis via Probe-Based Assay

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

This test measures genetic material (DNA) present in your cervical mucus, often collected during a Pap test or gynecologic exam. It may be used to assess cellular health or detect abnormalities.

Quick summary

["DNA in cervical mucus can help identify potential health concerns during routine gynecologic evaluations."]

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

Key facts at a glance

LOINC
21189-6
Short code
C trach DNA Cerv mucus Ql NAA+probe
Synonyms
C trach DNA Cerv mucus 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
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 Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like unusual vaginal discharge, irregular menstrual bleeding, or if you’re at higher risk for certain cervical conditions. It can also be part of a broader screening or diagnostic workup, especially when combined with other tests like a Pap smear.

What to Expect Before the Test

No special preparation is typically needed. You’ll likely have a simple cervical mucus sample collected during a pelvic exam or Pap test. The sample is then analyzed for DNA to check for cellular changes or other markers.

How the Results Are Interpreted

Results are not provided as a single numeric value but rather as qualitative findings (e.g., presence or absence of abnormal DNA patterns). Your provider will review the results in the context of your medical history and symptoms to determine next steps.

What the Results Could Mean

Abnormal DNA findings in cervical mucus may suggest inflammation, infection, or precancerous changes. These results are often used alongside other tests (like a Pap smear) to guide further evaluation, such as a biopsy or additional imaging.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

DNA in Cervical Mucus

Frequently asked questions

How often does this test cause false positives or false negatives?
Like many diagnostic tests, this assay may have limitations. False positives or negatives can occur due to technical factors, sample contamination, or underlying conditions not captured by DNA alone. Your provider will discuss the reliability of the test based on your specific situation.
Can I fast or avoid certain foods before this test?
No dietary restrictions apply. The test focuses on DNA in cervical mucus, so lifestyle factors like diet do not typically affect the sample collection or analysis.
Will this test replace a Pap smear?
No, this test is often used alongside a Pap smear or other diagnostic tools. It may provide additional insights but is not a standalone replacement for screening cervical health.
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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