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Microorganisms in Urine (Qualitative)

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

This test checks for the presence of bacteria, fungi, or other microorganisms in your urine, often used to identify infections like urinary tract infections (UTIs).

Quick summary

["A simple urine test to detect possible infections or other microbial presence in your urinary system."]

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

Key facts at a glance

LOINC
58437-5
Short code
Microorganisms UrnS Micro
Synonyms
Microorganisms UrnS Micro
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
microscopy-light
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may order this test if you experience symptoms such as frequent urination, pain or burning during urination, cloudy or strong-smelling urine, fever, or pelvic pain. It can also be used as part of a routine check for certain conditions or after exposure to potential infections.

How the Test Works

A small sample of your urine is collected and examined under a microscope or tested using a rapid diagnostic method to identify microorganisms. The test is qualitative, meaning it only tells you whether microorganisms are present, not how many.

Sample Collection

You will typically provide a mid-stream clean catch urine sample. Clean your genital area with soap and water, then urinate into a clean container. If a catheter is used, your urine will be collected directly from the tube.

What to Expect

The test is quick and usually done in a clinic or lab. You may need to fast or avoid certain medications before the test, but this will be specified by your provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Urine Microorganisms (Qual)

Frequently asked questions

What does a positive result mean?
A positive result means that microorganisms were detected in your urine. This could indicate an infection or other conditions that require further evaluation by your healthcare provider. They may recommend additional tests or treatments based on the specific microorganisms found.
Can I take antibiotics before the test?
It is generally advised to avoid antibiotics before this test unless directed by your healthcare provider. Taking antibiotics can affect the results and make it harder to identify the specific microorganisms causing your symptoms.
How soon will I get my results?
Results are usually available within a few hours to a couple of days, depending on the lab and testing method used. Your healthcare provider will discuss the results with you and determine the next steps.
  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