Del. Code Ann. tit. 18, § 3563
(a) All group and blanket health insurance policies, contracts or certificates that are delivered or issued for delivery in this State by any health insurer, health service corporation or managed care organization which provide medical and surgical benefits with respect to a mastectomy shall provide, in a case of an insured, participant, policyholder, subscriber and beneficiary who is receiving benefits in connection with such mastectomy, in a manner determined in consultation with the attending physician and the patient, coverage for:
Such coverage may be subject to annual deductibles and coinsurance provisions as may be deemed appropriate and as are consistent with those established for other benefits under the plan of coverage. Written notice of the availability of such coverage shall be delivered to the insured, participant, policyholder, subscriber and beneficiary upon enrollment and annually thereafter.
(b) All group and blanket health benefit plans shall provide notice to each insured, participant, policyholder, subscriber and beneficiary under such plan regarding the coverage required by this section in accordance herewith. Such notice shall be in writing and prominently positioned in any literature or correspondence made available or distributed by the plan and shall be transmitted: