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Antibody Screening for Aspergillus (Serum)

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

This test checks for antibodies in your blood that may indicate exposure to the fungus *Aspergillus*, a common mold found in the environment. Antibodies can develop after infection or exposure.

Quick summary

["This screening helps identify possible fungal exposure that your body has reacted to."]

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

Key facts at a glance

LOINC
17641-2
Short code
Deprecated S pneum8 Ab Ser Ql
Synonyms
Deprecated S pneum8 Ab Ser Ql
Category
coagulation
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 This Test Measures

The test detects specific antibodies (immunoglobulins) produced by your immune system in response to *Aspergillus* antigens. These antibodies are part of your body’s defense mechanism and can appear after exposure to the fungus, whether through infection or inhalation.

Why It Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like persistent cough, fever, or lung issues, or if you live in an area with high mold exposure. It can also be used to monitor immune responses in certain medical conditions.

How the Test Works

A small blood sample is drawn, and the serum (liquid part of blood) is tested for the presence of antibodies against *Aspergillus*. The method used is typically an immunoassay, which detects these antibodies with high sensitivity.

What to Expect Before the Test

No special preparation is needed, but you may want to avoid alcohol 24 hours before the test to ensure accurate results. Wear comfortable clothing and bring any medications you’re currently taking.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Aspergillus Antibody Screen

Frequently asked questions

How long does it take to get results?
Results are usually available within 1 to 3 business days, depending on your lab’s processing time. Follow-up with your healthcare provider to discuss the meaning of your results.
Can I take anything before this test?
No special diet or fasting is required, but avoid alcohol for 24 hours before the test to help ensure accurate results.
What does a positive result mean?
A positive result indicates your immune system has detected *Aspergillus* antibodies, which could mean past exposure or infection. It doesn’t always mean you have an active illness, so further testing may be needed to clarify the situation.
  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