Del. Code Ann. tit. 18, § 3591
(a) When coverage of a prescription drug for the treatment of any medical condition is restricted for use by an insurer, health plan, or utilization review entity through the use of a step therapy protocol, the patient and prescribing practitioner shall have access to a clear, readily accessible and convenient process to request a step therapy exception determination. An insurer, health service corporation, health plan, or utilization review entity may use its existing medical exceptions process to satisfy this requirement. The process shall be made easily accessible via the insurer’s, health plan’s, or utilization review entity’s website. A step therapy exception determination shall be expeditiously granted in any one of the following circumstances:
(b) (1) The insurer, health services corporation, health plan, or utilization review entity shall grant or deny a step therapy exception request within 2 business days of receipt of such request, which shall be from a health-care provider, and which shall state the circumstance which qualifies the patient for a step therapy exception pursuant to subsection (a) of this section. A step therapy exception determination not granted or denied in writing at the end of 2 days shall be deemed granted.
(e) This section shall not be construed to prevent:
(f) Clinical criteria used to establish a step therapy protocol shall be based on clinical criteria that:
(2) Developed and endorsed by a multidisciplinary panel of experts that manages conflicts of interest among the members of the writing and review groups by:
(5) Created by an explicit and transparent process that: