Mass. Gen. Laws ch. 176G, § 4L

Any group health maintenance contract shall provide coverage for hospice services as defined in section 57D of chapter 111 during the life of the patient, to terminally ill patients with a life expectancy of six months or less; provided, however, that such services are determined to be appropriate and authorized by the patient's primary care or treating physician and are equivalent to those services provided by a licensed hospice program regulated by the department of public health.