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Aflavusabfldql

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

This blood test detects antibodies against Aspergillus flavus, a type of fungus that can cause respiratory and systemic infections.

Quick summary

{"The test identifies antibodies produced by your immune system in response to Aspergillus flavus fungus","A positive result suggests current or past exposure to this fungus","It helps diagnose aspergillosis, particularly in people with weakened immune systems","The test is performed on a blood (serum) sample","Results are reported as 'Present' or 'Not Present' rather than a numerical value"}

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

Key facts at a glance

LOINC
31229-8
Short code
A flavus Ab Fld Ql
Synonyms
A flavus Ab Fld Ql
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 this test?

The Aspergillus flavus Antibody test is a laboratory test that looks for specific antibodies in your blood that your body produces to fight Aspergillus flavus, a common mold found in soil, decaying vegetation, and grains. This test helps determine if you have been exposed to this particular fungus and whether your immune system has mounted a response against it.

How is the test performed?

A healthcare professional will draw a small sample of blood from a vein in your arm. This blood sample is then sent to a laboratory where it is analyzed to detect the presence or absence of antibodies specifically targeting Aspergillus flavus. The test uses specialized immune system detection methods to identify whether your body has produced IgG or IgM antibodies against this fungus.

Why might I need this test?

Your doctor may order this test if you have symptoms of a fungal infection, especially if you have a weakened immune system due to conditions such as HIV/AIDS, cancer, organ transplant, or long-term steroid use. Symptoms of Aspergillus infection may include fever, cough, shortness of breath, chest pain, and in severe cases, difficulty breathing. The test helps distinguish between current active infection and past exposure.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Is this test dangerous?
No, this is a simple blood test with minimal risks, similar to any routine blood draw. You may experience slight bruising or soreness at the needle site.
Do I need to fast before this test?
Typically, no fasting is required for this antibody test. However, always follow your healthcare provider's specific instructions.
How long does it take to get results?
Results are usually available within a few days to a week, depending on the laboratory's processing time.
What happens if my test is positive?
If your test is positive, your doctor will evaluate the result along with your clinical symptoms and other diagnostic tests to determine if you need treatment for an Aspergillus infection. Not all positive results require treatment, as some people have antibodies from past exposure without active disease.
Can this test diagnose invasive aspergillosis?
This antibody test is more useful for detecting past exposure and certain types of Aspergillus-related conditions. For invasive aspergillosis, doctors often combine this test with other diagnostic methods such as CT scans, fungal cultures, and antigen tests for more accurate diagnosis.
  1. 1
    Mayo Clinic - AspergillosisSource
  2. 2
    CDC - AspergillosisSource
  3. 3
    Lab Tests Online - Aspergillus AntibodySource

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