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Mucin-based Lactoferrin Mutant Antigen Screening in Stool

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

This test checks for specific genetic mutations in lactoferrin, a protein found in stool samples, which may help identify certain infectious or inflammatory conditions in the gastrointestinal tract.

Quick summary

["This screening may support diagnosis of bacterial or parasitic infections linked to altered gut lactoferrin patterns."]

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

Key facts at a glance

LOINC
81841-9
Short code
MLC1 Mut Anl Bld/T
Synonyms
MLC1 Mut Anl Bld/T
Category
chemistry
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
molgen
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like persistent diarrhea, abdominal pain, or unexplained gastrointestinal issues that suggest an infection or chronic inflammation. It could also be used in research or specialized diagnostic contexts for conditions affecting gut health.

What to Expect Before the Test

No special preparation is typically required, but you may be asked to collect a stool sample at home or during a clinic visit. Follow your provider’s instructions carefully to ensure accurate results.

How the Test Works

The test analyzes stool for specific genetic mutations in lactoferrin using advanced molecular techniques. This helps detect mutations associated with certain pathogens or inflammatory processes in the digestive tract.

What the Results Mean

Results may indicate the presence of specific genetic mutations linked to gastrointestinal infections or conditions. Positive findings should be interpreted by your healthcare provider in the context of your symptoms and medical history.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Lactoferrin Mutant Screening (Stool)

Frequently asked questions

What does a positive result mean?
A positive result suggests the presence of specific genetic mutations in lactoferrin that may correlate with certain gastrointestinal infections or inflammatory conditions. This finding should be discussed with your doctor to determine next steps, such as additional testing or treatment.
Can I eat or drink before this test?
No specific dietary restrictions apply, but you should use a fresh stool sample for best accuracy. If you’re unsure, ask your healthcare provider for guidance tailored to your situation.
How long will I need to wait for results?
Results may take several days to weeks, depending on laboratory processing and follow-up requirements. Your provider will contact you once results are available and discuss them with you.
  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