Delaware Code Title 18. Insurance Code § 3586. Length of pre-authorization

(a) A pre-authorization for pharmaceuticals shall be valid for 1 year from the date the health-care provider receives the pre-authorization, subject to confirmation of continued coverage and eligibility and to policy changes validly delivered as per § 3582 of this title and except as otherwise set by evidence-based treatment protocol.

(b) A pre-authorization for a health-care service shall be valid for a period of time that is reasonable and customary for the specific service, but no less than 60 days, from the date the health-care provider receives the pre-authorization, subject to confirmation of continued coverage and eligibility and to policy changes validly delivered as per § 3582 of this title.