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Genetic Mutation Analysis for LTA (Lymphotoxin Alpha) in Blood

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

This test checks for genetic changes in the gene responsible for lymphotoxin alpha, a protein involved in immune response and inflammation. It may be ordered if you have symptoms linked to immune system dysfunction or suspected genetic conditions.

Quick summary

["This test helps identify possible genetic variations that could affect immune function or inflammation responses."]

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

Key facts at a glance

LOINC
38902-3
Short code
LITAF gene Mut Anl Bld/T
Synonyms
LITAF gene 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

What Is Lymphotoxin Alpha (LTA)?

Lymphotoxin alpha (LTA) is a protein produced by immune cells that plays a role in inflammation, immune signaling, and responses to infections. Genetic mutations in the gene encoding LTA can alter its function and may contribute to certain immune-related conditions.

Why Might This Test Be Ordered?

Your healthcare provider may recommend this test if you have symptoms such as chronic inflammation, autoimmune conditions, or a family history of immune disorders. It could also be part of genetic counseling for conditions linked to LTA mutations.

How Is the Test Performed?

A small blood sample is taken from a vein in your arm. The sample is then analyzed in a lab to detect any genetic mutations in the LTA gene. Results are compared to reference genetic data to identify variations.

What Do the Results Mean?

Results may show normal genetic sequences, variants that don’t affect function, or mutations that could impact immune function. Interpretation depends on clinical context, family history, and symptoms.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

LTA Mutation Screening (Blood)

Frequently asked questions

How long will it take to get my results?
Results are typically available within 1–2 weeks after the sample is processed, depending on lab workload. Follow-up with your healthcare provider will help clarify any findings.
What if my test shows a mutation?
If a mutation is detected, your healthcare provider will discuss its potential impact on your health, including possible symptoms or conditions it may relate to. Genetic counseling may be recommended to explore further testing or management options.
Do I need to prepare for this test?
No special preparation is needed. You may eat and drink as usual, but avoid heavy exercise before the blood draw. Wear comfortable clothing and bring any medications you’re currently taking to discuss with your provider.
  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