The test has to be done by a lab specializing in DNA testing, and I assume would require a doctor's order, although a lot of labs are doing direct to consume testing now. A blood draw is required, so you have to go to Quest or some place like to start the process.

Here's one lab that offers SCN9A sequencing, but SCN10A and SCN11A aren't part of it.

https://www.genedx.com/test-catalog/...thy-sfn/34209/

I think the way this works, and maybe someone else can chime in, is that once certain gene mutations are conclusively identified for a disorder, these test companies will offer targeted screening tests for that disorder.

For example, this Genedx company offers a hereditary neuropathy panel that looks for Charcot-Marie-Tooth and other forms of known inherited neuropathy.

https://www.genedx.com/test-catalog/...thy-sfn/39532/

The cost of these tests can be high, though. They're not mentioning prices on these tests, but somewhere else I saw a neuropathy panel for $1600 but it also didn't included all the latest genes mutations referenced in the latest research.


________________________