D.C. Mun. Regs. tit. 26, r. 26-A4399
"Health benefits plan" mans any accident and health insurance policy or certificate, hospital and medical services corporation contract, health maintenance organization subscriber contract, plan provided by a multiple employer welfare arrangement, or plan provided by another benefit arrangement. The term "health benefit plan" does not mean accident only, credit, or disability insurance; coverage of Medicare services or federal employee health plans, pursuant to contracts with the United States government; Medicare supplemental or long-term insurance; dental only or vision only insurance; specified disease insurance; hospital confinement indemnity coverage; limited benefit health coverage; coverage issued as a supplement to liability insurance, insurance arising out of workers' compensation or similar law; automobile medical payment insurance; medical expense and loss of income benefits; or insurance under which benefits are payable with or without regard to fault and that is statutorily required to be contained in any liability insurance policy or equivalent self-insurance.
"Health insurer" means any person that provides one or more health benefit plans or insurance in the District of Columbia, including an insurer, a hospital and medical services corporation, a fraternal benefit society, a health maintenance organization, a multiple employer welfare arrangement, or any other person providing a plan of health insurance subject to the authority of the Commissioner.
"Commissioner" means the Commissioner of the Department of Insurance, Securities and Banking.
D.C. Mun. Regs. tit. 26, r. 26-A4399