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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
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