Sschenckiiigmseracnc
A blood test that detects IgM antibodies against Sporothrix schenckii fungus to help diagnose early fungal infection.
{"Detects early immune response to Sporothrix schenckii fungus","Helps diagnose sporotrichosis (rose gardener's disease)","Sample is collected from blood (serum)","Positive result indicates recent or current infection","Often used with other tests for complete diagnosis"}
Key facts at a glance
- LOINC
- 13242-3
- Short code
- Sporothrix IgM
- Synonyms
- S schenckii IgM Ser-aCnc
- Category
- cardiac
- Sample
- serum
- Container
- Serum separator tube (SST) or plain red top tube
- Units
- N/A
- Ref low
- 1
- Ref high
- 1.5
- Critical range
- — – 10000 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 0 years
- Method
- Enzyme Immunoassay (EIA)
- CPT
- 86635
- SNOMED
- 414563006
- Specimen volume
- 1.0 mL minimum, 2.0 mL preferred
- Stability
- Room temperature: 24 hours; Refrigerated (2-8°C): 7 days; Frozen (-20°C or below): 30 days
- Hemolysis max
- 50
- Lipemia max
- 300
- Icterus max
- 20
- TAT
- 72–168 hours
- Order
- routine
What is this test?
The Sporothrix schenckii IgM Antibody test is a blood test that looks for IgM antibodies in your serum. IgM antibodies are the first type of antibodies your body produces when fighting a new infection. This test helps doctors determine if you have been recently infected with Sporothrix schenckii, a fungus that causes a condition called sporotrichosis, also known as "rose gardener's disease."
Why might I need this test?
Your doctor may order this test if you have symptoms of sporotrichosis, which typically include small, painless bumps on the skin that may develop into ulcers. These symptoms often appear after a minor skin injury, such as a cut or scrape, especially if you've been working with plants, soil, or thorns. The test helps confirm whether your symptoms are caused by this specific fungal infection.
How is the test performed?
A healthcare professional will draw a small sample of blood from a vein in your arm. This blood sample will be sent to a laboratory where technicians will test it for the presence of IgM antibodies against Sporothrix schenckii. The procedure is quick and similar to other routine blood tests.
What do the results mean?
A positive result means that IgM antibodies against Sporothrix schenckii were detected in your blood, suggesting you have a recent or current infection. A negative result means no antibodies were detected, but this doesn't completely rule out infection if it is very early. Your doctor will interpret these results together with your symptoms, physical examination, and possibly other tests.
Reference range
Negative: < 1.0 AU/mL; Equivocal: 1.0-1.5 AU/mL; Positive: > 1.5 AU/mLN/A
No special preparation required. Routine venipuncture. Inform laboratory of recent fungal infections or antifungal therapy.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Frequently asked questions
Is sporotrichosis dangerous?
How do people get sporotrichosis?
Do I need to fast before this test?
How long does it take to get results?
What is the treatment for sporotrichosis?
Sources
- 1
- 2
- 3
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.
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 17, 2026. · Read our editorial policy