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Candida albicans in skin wheal (qualitative, 50 µg) – Immunofluorescence probe

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

This test checks for the presence of *Candida albicans*—a type of yeast—that may cause skin infections, including ringworm or fungal skin rashes. It uses a small sample of your skin wheal (a raised, red area from a scratch or irritation) to detect yeast cells.

Quick summary

["A positive result may indicate a fungal skin infection needing treatment, while a negative result suggests no active yeast presence in this sample."]

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

Key facts at a glance

LOINC
32557-1
Short code
Wheal 1D p 50ug C albicans Diam
Synonyms
Wheal 1D p 50ug C albicans Diam
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

How the Test Works

A healthcare provider will gently scrape a small area of your skin wheal (a raised, irritated spot) to collect cells. These cells are then tested using a fluorescent dye that binds to *Candida albicans* yeast if present. The test is qualitative, meaning it only tells you whether yeast is detected, not how much.

What to Expect Before the Test

No special preparation is needed. You may shower or wash the area lightly before the test, but avoid heavy lotions or creams. If you have open wounds or severe irritation, let your provider know before testing.

What to Expect During the Test

The test is quick and painless. A healthcare provider will clean the wheal, apply a small amount of numbing cream (if needed), and gently scrape a sample. You may feel a slight pinch, but it lasts only a moment. The sample is then sent to the lab for analysis.

Possible Results and Next Steps

A positive result means *Candida albicans* yeast was found in your skin sample. This could indicate a fungal skin infection (e.g., tinea corporis, or ringworm). Your provider may recommend antifungal treatments, such as creams, oral medications, or further testing. A negative result means no yeast was detected in this sample, but other causes of irritation could still be present.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Wheal Test for Yeast Infection (Candida)

Frequently asked questions

Why is this test important?
This test helps diagnose fungal skin infections caused by *Candida albicans*, which can cause itching, redness, scaling, or a ring-like rash. Early identification allows for targeted treatment to prevent spread or complications. It’s particularly useful for people with weakened immune systems, diabetes, or frequent skin irritations.
What does a positive result mean for my health?
A positive result suggests a fungal infection may be present. Your healthcare provider will determine the best course of action, which could include antifungal medications, lifestyle changes, or monitoring. Overuse of antibiotics or steroids can also increase risk, so follow-up may be needed to prevent recurrence.
Could this test miss other causes of my symptoms?
Yes, this test only checks for *Candida albicans*. Other causes of skin irritation (e.g., bacterial infections, eczema, or allergies) won’t be detected. If symptoms persist, your provider may recommend additional tests or evaluations.
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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