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Fungal Culture from Stool Sample

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

This test helps identify and confirm the presence of fungi (such as yeast or mold) in your stool, which may indicate an infection.

Quick summary

["A stool fungal culture can help diagnose infections caused by abnormal fungal growth in your digestive system."]

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

Key facts at a glance

LOINC
107182-8
Short code
Fungus Smn Cult
Synonyms
Fungus Smn Cult
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
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 Stool Fungal Culture Used For?

A stool fungal culture is primarily used to detect and confirm infections caused by fungi, such as *Candida* (a type of yeast) or mold species. These infections can occur if fungi overgrow in your digestive tract, which may happen due to weakened immunity, certain medications, or underlying health conditions.

How Is the Test Performed?

A small sample of your stool is collected and sent to a lab. The sample is then cultured in a controlled environment to allow fungal growth. After a few days to weeks, the lab examines the sample for signs of fungal growth, which can help determine the type of fungus present.

Preparation and Sample Collection

No special preparation is usually needed for this test. Your healthcare provider will provide instructions on how to collect a stool sample, often using a clean container. It’s important to follow these instructions carefully to ensure accurate results.

Possible Results and Interpretation

If fungi are found in your stool, the results will indicate the presence of an abnormal fungal growth. This may suggest a fungal infection that requires further medical evaluation, including possible treatment with antifungal medications. Negative results mean no fungi were detected in the sample.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Stool Fungal Culture

Frequently asked questions

Why might my doctor order this test?
Your doctor may recommend a stool fungal culture if you have symptoms like persistent diarrhea, abdominal pain, or unexplained weight loss, especially if you have a weakened immune system or are taking medications that can increase your risk of fungal infections.
What are the common symptoms of a fungal infection detected by this test?
Symptoms may include persistent diarrhea, bloating, abdominal discomfort, or changes in bowel habits. Some people may also experience fatigue or fever if the infection is severe. However, symptoms can vary widely depending on the type and severity of the infection.
How long does it take to get the results of this test?
Results typically take several days to a couple of weeks to become available, as the lab needs time to grow and identify the fungi in your sample. Your healthcare provider will discuss the results with you once they are ready.
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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