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Genetic mutation analysis for EPM2A gene (Lysosomal Acid Lipase Deficiency)

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

This test checks for mutations in the EPM2A gene, which may be linked to lysosomal acid lipase deficiency—a condition affecting fat metabolism and potentially causing liver disease or other health issues.

Quick summary

["This test helps diagnose genetic conditions that could impact your liver or other organs."]

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

Key facts at a glance

LOINC
39080-7
Short code
EPM2A gene Mut Anl Bld/T
Synonyms
EPM2A 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 This Test Measures

The EPM2A gene mutation test identifies changes (mutations) in the genetic code of the EPM2A gene. These mutations can affect how your body produces lysosomal acid lipase, an enzyme involved in breaking down fats. Variations in this enzyme can lead to lysosomal acid lipase deficiency, which may cause symptoms like liver problems or other metabolic issues.

Why It Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like unexplained liver issues, fatty liver disease, or a family history of similar genetic conditions. It’s also used in genetic counseling or when evaluating individuals with suspected lysosomal acid lipase deficiency.

Sample Collection and Process

A blood sample is typically taken from a vein in your arm. The sample is sent to a lab for genetic testing, where scientists analyze your DNA for EPM2A gene mutations using advanced techniques like next-generation sequencing.

What to Expect Before the Test

No special preparation is usually needed, but you may be asked to avoid certain medications or foods for a short time if instructed. Bring any relevant medical history or family health records to your appointment.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Mutations in the EPM2A gene can cause lysosomal acid lipase deficiency, which may lead to liver disease, fatty liver, or other metabolic complications. Early detection through genetic testing can help guide treatment options, support, or monitoring for affected individuals or their families.

Short name

EPM2A Gene Mutation Test

Frequently asked questions

What does a positive result mean?
A positive result indicates the presence of a mutation in the EPM2A gene. This may confirm a diagnosis of lysosomal acid lipase deficiency or help clarify genetic risks for you or your family. Your healthcare provider will discuss next steps, such as further testing or treatment options.
What if my test result is negative?
A negative result means no detectable EPM2A gene mutations were found in this sample. However, some mutations may not be detected by this test alone, so further genetic testing or evaluation may still be recommended based on symptoms or family history.
How often should I get this test?
The frequency of testing depends on your medical history, symptoms, and healthcare provider’s recommendations. If you have a family history of lysosomal acid lipase deficiency or related conditions, your provider may suggest periodic monitoring or additional genetic 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