Zellweger Spectrum Disorder (ZSD)

This program offers U.S. clinicians access to comprehensive genetic testing for patients with suspected inherited retinal diseases, including RP, CRD, LCA, Stargardt disease, and other IRDs. Testing is also appropriate for asymptomatic individuals with a family history of IRD or a known pathogenic variant in a relevant gene, supporting diagnosis, risk assessment, and patient management.

This program provides access to genetic testing for pediatric patients under 18 who present with an unprovoked seizure. The panel evaluates key epilepsy-associated genes to support diagnostic confirmation, inform prognosis, and guide clinical management. Testing is available to eligible patients when ordered by a licensed healthcare provider.