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Fungal Blood Culture (with Antimicrobial Susceptibility Testing)

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

This test checks for the presence of fungi in your blood, which may indicate an infection. It also helps determine which antifungal medications could be most effective.

Quick summary

["Blood cultures help identify fungal infections and guide treatment choices."]

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

Key facts at a glance

LOINC
88686-1
Short code
Fungus BAL Cult
Synonyms
Fungus BAL 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 Does This Test Measure?

The test involves drawing blood to detect any fungal organisms, such as yeast or mold, that may have entered your bloodstream. If fungi are found, additional testing may be done to identify the specific type and assess its sensitivity to antifungal drugs.

Why Might You Need This Test?

You may need this test if you have symptoms like fever, chills, or unexplained infections, especially if you have a weakened immune system, recent surgery, or conditions like cancer or diabetes that increase your risk of fungal infections.

When Will You Get Results?

Results can take several days to a week or more, depending on the growth of any fungal organisms. Your healthcare provider will discuss the findings with you and explain next steps.

What Are Common Causes?

Fungal blood cultures are often ordered when infections are suspected due to signs like persistent fever, unusual skin rashes, or organ dysfunction. Certain medical conditions (e.g., HIV, chemotherapy) or treatments (e.g., broad-spectrum antibiotics) can increase risk.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Fungal Blood Culture

Frequently asked questions

How long does it take to get results from a fungal blood culture?
Results typically take 3 to 7 days or longer, depending on whether fungi grow in the culture. If no growth is seen after a few days, the test may be repeated or other diagnostic methods used.
Can fungal blood cultures be done at home?
No, fungal blood cultures must be performed in a clinical setting by a healthcare professional. Blood is drawn in a sterile lab environment to ensure accurate results.
What symptoms might indicate a fungal infection that requires this test?
Symptoms such as unexplained fever, chills, persistent infections, or signs of organ damage (e.g., liver or kidney issues) could signal a fungal infection. Always consult your doctor if you experience concerning symptoms.
  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