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Genital tract bacterial culture (qualitative)

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

This test checks for the presence of bacteria in samples collected from your genital area to help diagnose infections.

Quick summary

["A bacterial culture helps identify infections that may not show up on standard tests."]

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

Key facts at a glance

LOINC
582-7
Short code
Gp B Strep Genital Ql Cult
Synonyms
Gp B Strep Genital Ql Cult
Category
coagulation
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
organism-specific-culture
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 Is a Genital Tract Culture Used For?

A genital tract culture is often used to diagnose infections caused by bacteria, such as bacterial vaginosis, sexually transmitted infections (STIs), or urinary tract infections (UTIs) that may affect the genital area. It helps confirm infections when symptoms like unusual discharge, pain, or irritation are present.

How Is the Test Performed?

A healthcare provider will collect a sample from your genital area using a swab. The sample is then sent to a lab, where bacteria are grown in a controlled environment to identify any present.

What Are Common Findings?

If bacteria are detected, the lab may identify specific types (e.g., *Escherichia coli*, *Gardnerella vaginalis*, or *Chlamydia trachomatis*). Results help guide treatment with appropriate antibiotics.

How Long Does It Take to Get Results?

Results typically take 2–5 business days, depending on lab processing times. Follow-up with your provider if you have concerns about your results.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical significance: Genital tract cultures are critical for diagnosing bacterial infections that may require targeted treatment. They help rule out infections that could affect pregnancy, sexual health, or overall well-being, ensuring proper management and preventing complications.

Frequently asked questions

Why might my provider recommend this test?
Your provider may recommend this test if you have symptoms like unusual discharge, odor, pain during urination, or sexual intercourse, or if you’re at higher risk for infections (e.g., sexually active, pregnant, or with multiple sexual partners).
How do I prepare for this test?
No special preparation is needed. Avoid douching, using vaginal creams, or sexual activity 24 hours before the test to ensure accurate results.
What happens if bacteria are found?
If bacteria are detected, your provider will discuss treatment options, which may include antibiotics. Some infections may resolve on their own, but follow-up care is important to prevent recurrence or spread.
  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