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Fungal Culture, Aspirate

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

This test grows any fungi present in fluid or material drawn from a body site. It can help identify an infection and may be combined with susceptibility testing to guide antifungal treatment.

Quick summary

["A positive result identifies a fungus recovered from the aspirated specimen, but it must be interpreted with symptoms and other laboratory findings."]

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

Key facts at a glance

LOINC
568-6
Short code
Fungus Aspirate Cult
Synonyms
Fungus Aspirate 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 the Test?

For this test, a clinician uses a needle to collect fluid or other material from an affected area of the body. The specimen is examined in the laboratory for fungal growth.

How Is the Culture Performed?

The laboratory places the specimen onto special media and keeps it under controlled conditions. If a fungus grows, it is identified; selected isolates may also undergo testing to determine which antifungal medicines are likely to work.

Why Is This Test Ordered?

It may be ordered when there is suspected infection involving deep tissues, joints, bones, or another normally sterile site. Fever, pain, swelling, drainage, or worsening symptoms may prompt collection of an aspirated specimen.

What Should I Know Before Testing?

Antibiotic or antifungal medicines taken before the specimen is collected can sometimes reduce the chance of recovering a fungus. Tell your clinician about recent medications, allergies, and prior fungal infections.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical significance: Growth of a fungus from an aspirated specimen may support a diagnosis of fungal infection, especially when the organism is also seen on tissue stains or found elsewhere in the body. Some fungi can colonize wounds or devices without causing disease, so results should be interpreted with the collection site, symptoms, imaging, and other laboratory findings.

Short name

Fungal culture of aspirated material

Frequently asked questions

What does a positive fungal culture mean?
It means a fungus was recovered from the collected specimen. This may indicate infection, but it can also reflect contamination or harmless colonization, depending on the organism and where the sample came from.
How long does fungal culture take?
Results commonly take several days to weeks because different fungi grow at different rates. The laboratory may report preliminary findings or provide the final identification later.
Does a negative culture rule out fungal infection?
No. A negative result means no fungus was detected under the laboratory's testing conditions. Infection can still be present if too few organisms were collected, antibiotics or antifungals affected growth, or the sample was taken from an unusual site.
  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