For the purposes of this article, chronic and degenerative diseases shall include those conditions that are neurological and neuromuscular in origin, including such disorders as Huntington’s disease, Friedrich’s ataxia, Joseph’s disease, and other disorders that are determined by the department to be similar in origin and clinical manifestation to the named disorders, and that affect adults.
Source:
Section 125210, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=125210..