To the extent that coverage is provided "behavioral, mental health, and substance use disorder" means a condition or disorder, regardless of etiology, that may be the result of a combination of genetic and environmental factors and that falls under any of the diagnostic categories listed in the mental disorders section of the most recent version of:
Includes autism spectrum disorder: Provided, That any service, even if it is related to the behavioral health, mental health, or substance use disorder diagnosis if medical in nature, shall be reviewed as a medical claim and undergo all utilization review as applicable.
W. Va. Code § 33-16-3hh