OTC Resources

how to test

How You Can Be Tested

Are you at risk of OTC deficiency? Contact your healthcare provider to learn how to be tested. It's a simple test that can help to preserve and improve lives.

OTC ER and Treatment Letters

Once you have been determined to be a carrier of OTC, it's important to have protocol and treatment letters from your doctor/geneticist. We can help you and your physician draft a letter, and we also have sample letters available upon request. Contact Us for more information.

Genetic Marker Disclaimer: Information on this website is specific to Late-Onset X-linked for genetic marker c.-106C>A