Delaware Code
Chapter 36. INDIVIDUAL HEALTH INSURANCE MINIMUM STANDARDS
§ 3606. Preexisting conditions [For application of this section, see 79 Del. Laws, c. 99, § 19].

(a) Notwithstanding § 3306 of this title, a policy or contract must not deny, exclude, or limit benefits for a covered individual for losses due to a preexisting condition, and the policy or contract must not include wording that would permit a defense based upon preexisting conditions.
(b) Notwithstanding subsection (a) of this section and § 3306 of this title, an insurer or a health service corporation which issues a specified disease policy, regardless of whether such policy is issued on the basis of a detailed application form, a simplified application for or an enrollment form, may not deny a claim for any covered loss that begins after the policy has been in force. Except for rescission for misrepresentation, no other defenses based upon preexisting conditions are permitted.

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