Test library
Niemann-Pick Carrier Test
The Niemann-Pick disease test is a genetic carrier screen that looks for mutations linked to types A and B of this lysosomal storage disorder. It is typically offered to people with a family history or ancestry-based risk.
Order Niemann-Pick Disease Test
Order online and visit a local collection site, or choose an at-home kit where available. No referral and no insurance required.
Order Niemann-Pick Disease Test- Typical turnaround
- 1-3 business days
- Starting price
- From $199
- Results
- Confidential, online
Quick answer
The Niemann-Pick disease test is a genetic blood test that checks for mutations associated with types A and B of the condition. Niemann-Pick disease is a lysosomal storage disorder that affects how the body processes fats within cells. Carrier testing can show whether a person carries a mutation that could be passed to a child. A genetic counselor or qualified healthcare provider explains the result and its implications.
What this test measures
Niemann-Pick disease refers to a group of inherited conditions that affect the body's ability to break down certain fats inside cells. Types A and B are caused by changes in the SMPD1 gene, which provides instructions for an enzyme called acid sphingomyelinase. When this enzyme is reduced or missing, fatty substances can build up in organs such as the liver, spleen, and lungs. This particular test targets mutations associated with types A and B.
The test uses a blood sample and analyzes the SMPD1 gene for specific mutations. Carrier testing checks for mutations that a person could pass on without having symptoms themselves. Some panels focus on a small set of common mutations, while others sequence more of the gene. The laboratory reports which mutations were found and whether the result indicates carrier status.
Carrier status does not mean a person has the disease. Two carriers of the same condition have a chance of having an affected child with each pregnancy, which is why results are best reviewed with a genetic counselor. The test is most relevant for people with a family history or ancestry groups in which certain mutations are more common. A qualified provider explains the findings and the available options.
- SMPD1 gene mutation analysis
- Common Niemann-Pick type A and B mutations
- Acid sphingomyelinase enzyme activity when included
- Carrier status determination
- Targeted mutation panel versus gene sequencing
- Genetic variant classification for reported mutations
Why people order this test
- Determine carrier status when there is a family history
- Assess risk for people with ancestry-linked mutations
- Support family planning decisions with a genetic counselor
- Follow up on an affected relative's genetic result
- Clarify whether a person could pass the condition to a child
How to prepare
No fasting is required for this blood test. A sample is collected from a vein, usually at the arm. Genetic counseling before and after testing is often recommended so results can be explained in context.
Understanding your results
Results are usually reported within one to three business days. The report states whether a mutation was found and whether it indicates carrier status. A genetic counselor or qualified healthcare provider interprets the result and discusses what it means for family planning.
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Frequently Asked Questions
What is the Niemann-Pick disease test?
It is a genetic blood test that checks for mutations linked to types A and B of Niemann-Pick disease. It is commonly used for carrier testing rather than diagnosis.
Does a positive result mean I have the disease?
Not necessarily. Carrier testing shows whether a person carries a mutation that could be passed on. Having one mutation usually does not cause symptoms.
Who should consider this test?
It is most relevant for people with a family history of the condition or ancestry groups in which certain mutations are more common. A provider or genetic counselor can advise.
How is the sample collected?
A small blood sample is drawn from a vein and analyzed for changes in the SMPD1 gene.
Do I need to fast?
No fasting is required for this test unless it is combined with another panel that calls for it.
Ready to get tested?
Order online and visit a collection site near you, or choose a mail-in kit. No referral and no insurance required.
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Every page on this site is reviewed for clarity, sourcing, and accuracy. We update our library as testing options, collection networks, and accreditation standards change.