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Trichothecene Toxicity Screening (Serum)

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

This test measures certain toxic compounds called trichothecenes in your blood. These chemicals can come from mold exposure and may cause health issues if present at high levels.

Quick summary

["Trichothecenes are rare but can be harmful if detected in your bloodstream."]

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

Key facts at a glance

LOINC
53390-1
Short code
Trichothecene IgG Ser-aCnc
Synonyms
Trichothecene IgG Ser-aCnc
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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’ve had exposure to mold, particularly certain types known to produce trichothecenes, or if you experience symptoms like skin irritation, respiratory problems, or other unexplained health concerns after exposure.

What to Expect Before the Test

No special preparation is typically needed. You’ll provide a blood sample, usually drawn from a vein in your arm. If you’re concerned about mold exposure, discuss it with your doctor before the test.

What the Results Mean

Results may indicate exposure to trichothecenes, but they don’t always mean immediate harm. High levels could signal recent or ongoing exposure, prompting further evaluation by your provider.

Possible Symptoms of Exposure

Symptoms of trichothecene exposure may include skin rashes, respiratory irritation, nausea, or fatigue. If you notice these symptoms after potential mold exposure, contact your healthcare provider.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Trichothecene Levels

Frequently asked questions

What is trichothecene exposure?
Trichothecene exposure occurs when you come into contact with molds that produce these toxins, often in poorly ventilated or damp environments. Symptoms can range from mild irritation to severe health effects depending on the amount and duration of exposure.
How long does it take to get results?
Test results are usually available within a few days to a week, depending on your lab’s processing time. Your healthcare provider will discuss the results with you during your follow-up visit.
Can I prevent trichothecene exposure?
Yes! Reduce risks by keeping indoor spaces dry, using proper ventilation, and avoiding areas with visible mold. If you suspect exposure, consult your doctor for personalized advice.
  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