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Serum or plasma mass concentration of immunoglobulin A (IgA) antibodies against *Candida albicans* (fungal antigen)

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

This test measures the amount of antibodies specific to *Candida albicans*—a common yeast—that your body produces in response to infection. It helps assess immune response to fungal exposure.

Quick summary

["Checks if your immune system recognizes and reacts to *Candida albicans* yeast."]

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

Key facts at a glance

LOINC
66482-1
Short code
OmpC IgA Ser IA-aCnc
Synonyms
OmpC IgA Ser IA-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ia
CPT
82784
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

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms of fungal infection (e.g., persistent mouth/throat sores, skin rashes, or recurrent infections) or if you’re at higher risk, such as having a weakened immune system, undergoing chemotherapy, or using long-term antibiotics.

What to Expect Before the Test

No special preparation is needed. You’ll provide a blood sample (serum or plasma) via a simple venipuncture. If you’re on blood thinners, let your provider know to avoid excessive bruising.

What the Results Mean

Higher-than-normal levels may indicate an active immune response to *Candida albicans*, possibly linked to infection or chronic exposure. Lower levels could suggest reduced antibody production or prior exposure without current infection.

Common Causes of Abnormal Results

Elevated results might occur with active *Candida* infections, autoimmune conditions, or recent fungal exposure. Low results could reflect past infection, immune suppression, or lab error. Always discuss results with your provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

IgA Anti-*Candida albicans* (Serum/Plasma)

Frequently asked questions

Is this test used to diagnose fungal infections?
While this test helps assess immune response to *Candida albicans*, it’s not a definitive diagnostic tool for fungal infections. Other tests (e.g., fungal cultures, imaging) may be needed for confirmation.
Can this test help monitor treatment for fungal infections?
Not typically used alone for monitoring fungal treatments. Results may be reviewed alongside clinical symptoms and other diagnostic findings to guide care.
Does this test require fasting?
No fasting is required for this blood test.
  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