Okla. Stat. tit. 36, § 36-6060.10

As used in this act:

Oklahoma Statutes - Title 36. Insurance Page 1103

1. "Base period" means the period of coverage pursuant to the

issuance or renewal of a health benefit plan that is required to

provide benefits pursuant to the provisions of Section 6060.11 of

this title;

2. "Health benefit plan" means any plan or arrangement as

defined in subsection C of Section 6060.4 of this title;

3. "Insurer" means any entity providing an accident and health

insurance policy in this state including, but not limited to, a

licensed insurance company, a not-for-profit hospital service and

medical indemnity corporation, a fraternal benefit society, a

multiple employer welfare arrangement or any other entity subject to

regulation by the Insurance Commissioner;

4. "Mental health and substance use disorder" means any

condition or disorder involving a mental health condition or

substance use disorder listed under any of the diagnostic categories

in the mental disorders section of the most recent edition of the

International Classification of Disease or in the mental disorders

section of the most recent version of the Diagnostic and Statistical

Manual of Mental Disorders; and

5. "Mental health and substance use disorder benefits" means

benefits covering items or services for mental health conditions or

substance use disorders, as defined under the terms of the health

benefit plan and in accordance with applicable federal and state

law. Any condition defined by the plan as a mental health condition

or not a mental health condition shall be consistent with the

definition of that condition included in generally recognized

independent standards of current medical practice, including but not

limited to the most recent version of the Diagnostic and Statistical

Manual of Mental Disorders or the most recent edition of the

International Classification of Disease.