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Aflavushabserql

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

This blood test checks for antibodies against Aspergillus flavus, a type of fungus that can cause respiratory infections.

Quick summary

{"Detects antibodies to Aspergillus flavus fungus in your blood","Helps diagnose aspergillosis, a fungal lung infection","Sample is collected from a blood draw","Important for people with weakened immune systems","Results are reported as positive or negative"}

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

Key facts at a glance

LOINC
47422-1
Short code
A flavus H Ab Ser Ql
Synonyms
A flavus H Ab Ser 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 blood test that looks for antibodies—your body's immune defense proteins—against a fungus called Aspergillus flavus. This fungus is commonly found in soil, decaying plants, and grains. The test determines if your immune system has been exposed to this fungus.

How is the test done?

A healthcare professional will draw a small amount of blood from a vein in your arm. The blood sample is then sent to a laboratory where it is tested for the presence of antibodies against Aspergillus flavus. You do not need to fast or prepare in any special way for this test.

What do the results mean?

A positive result means that antibodies to Aspergillus flavus were found in your blood, suggesting you have been exposed to the fungus. This could indicate a current infection, a past infection, or simply that your immune system has encountered the fungus. A negative result means no antibodies were detected, indicating no significant exposure to the fungus.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Is this test painful?
You may feel a brief sting when the needle is inserted to draw blood, but the procedure is generally quick and well-tolerated. Some people may experience minor bruising at the injection site.
Do I need to fast before this test?
No, you do not need to fast or make any special preparations before this test. You can eat and drink normally.
How long does it take to get results?
Results are typically available within a few days, but this may vary depending on the laboratory.
Who should have this test?
This test is usually ordered for patients who have symptoms of a respiratory fungal infection, especially those with weakened immune systems. Symptoms may include fever, cough, chest pain, or difficulty breathing.
What is the difference between this test and an Aspergillus antigen test?
An antibody test (like this one) detects your immune system's response to the fungus, while an antigen test looks for parts of the fungus itself in your blood. Your doctor will choose the most appropriate test based on your specific situation.
  1. 1
    Mayo Clinic Laboratories - Aspergillus flavus Antibody, IgGSource
  2. 2
    CDC - AspergillosisSource

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