Skip to content

Fungal Culture from a Specified Body Fluid (e.g., Blood, CSF, or Other Fluid)

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

This test helps identify and confirm the presence of fungi in your body fluids, such as blood or cerebrospinal fluid, by growing them in a lab.

Quick summary

["A fungal culture can help diagnose infections caused by fungi, guiding treatment decisions."]

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

Key facts at a glance

LOINC
579-3
Short code
Fungus Wnd Cult
Synonyms
Fungus Wnd 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

Why Is This Test Done?

Your healthcare provider may order this test if you have symptoms like fever, persistent infections, or signs of a fungal infection, especially if you have a weakened immune system or underlying health conditions that increase your risk of fungal infections. It may also be used to monitor treatment effectiveness or check for recurrence of a fungal infection.

How Is the Test Performed?

A small sample of your body fluid (e.g., blood, spinal fluid) is collected using a needle or other medical device. The sample is then sent to a lab where it is mixed with special growth media to encourage fungal growth. Results take several days to weeks, depending on the type of fungus present.

What Does the Test Result Mean?

Positive results show the presence of fungi in your sample. The lab will identify the type of fungus and sometimes provide details about its sensitivity to antifungal medications. Negative results mean no fungi were detected in the sample, but this does not always rule out a fungal infection if the sample was not taken correctly or if the infection is not present in the sampled fluid.

What Are the Possible Risks?

The risks of this test are generally low. There may be minor discomfort or bruising at the injection site, and there is a very small risk of infection or allergic reaction to the lab procedures. If you have a severe immune deficiency or other health issues, additional risks may apply.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Fungal Culture

Frequently asked questions

How often do I need this test?
Fungal cultures are typically ordered as needed, depending on your symptoms, medical history, and treatment plan. Your healthcare provider will determine how often you need retests, especially if you are undergoing antifungal treatment or have a chronic fungal infection.
What if my test results are positive?
A positive fungal culture result means you likely have a fungal infection. Your doctor will work with you to choose the best antifungal medication and may recommend additional tests to confirm the diagnosis and guide treatment. Follow-up tests may include blood tests, imaging, or further cultures to monitor your response to treatment.
Can I prevent fungal infections that might lead to this test?
While you can’t always prevent fungal infections, maintaining good hygiene, avoiding excessive moisture in the skin or mucous membranes, and managing underlying health conditions (like diabetes or weakened immunity) can reduce your risk. If you suspect a fungal infection, seek medical advice promptly.
  1. 1
  2. 2
  3. 3

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