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Genetic mutation analysis for the NF2 gene (whole blood)

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

This test checks for mutations in the NF2 gene, which may be linked to neurofibromatosis type 2 (NF2), a rare genetic disorder affecting the nervous system.

Quick summary

["NF2 gene mutations can help diagnose or monitor conditions like NF2."]

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

Key facts at a glance

LOINC
47966-7
Short code
NCF2 gene Mut Anl Bld/T
Synonyms
NCF2 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 This Test For?

The NF2 gene mutation test is used primarily to identify changes (mutations) in the NF2 gene that may cause NF2, a condition that can lead to tumors along the nervous system. It is often recommended for individuals with symptoms of NF2 or those with a family history of the disorder.

How Is the Sample Collected?

A small amount of your blood will be drawn from a vein, usually in your arm, by a healthcare professional. This process is quick and typically causes only mild discomfort.

What Does the Test Involve?

The test involves analyzing your blood sample for specific genetic mutations in the NF2 gene. Advanced laboratory techniques, such as next-generation sequencing, are used to detect these mutations.

How Long Until Results Are Available?

Results from this genetic test can take several weeks to a few months, depending on the laboratory’s processing schedule and the complexity of the genetic analysis.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Having an NF2 gene mutation can confirm a diagnosis of neurofibromatosis type 2, which is characterized by the growth of tumors on the nerves in the brain and spinal cord. Early detection can help guide treatment plans, monitor disease progression, and inform family planning decisions. If you have symptoms such as hearing loss, vision problems, or headaches, or if you have a family history of NF2, this test may be recommended.

Short name

NF2 Gene Mutation Test

Frequently asked questions

Why Might I Need This Test?
You may need this test if you have symptoms of NF2, such as hearing loss, vision issues, or headaches, or if you have a family member with NF2. Your healthcare provider may also recommend it if you are at high risk due to genetic testing or family history.
What Are Common Symptoms of NF2?
NF2 can cause a variety of symptoms, including hearing loss, balance problems, headaches, and vision changes. Tumors may also grow on the nerves in the brain and spinal cord, potentially leading to seizures or other neurological issues. Symptoms can vary widely among individuals.
How Often Should I Get This Test?
The frequency of this test depends on your medical history, symptoms, and healthcare provider’s recommendations. If you have NF2 or a family history of the disorder, you may need regular monitoring or retesting as advised by your doctor.
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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