Delaware Code Title 18. Insurance Code § 6851. Agreement assuring result to be in writing

No liability shall be imposed upon any health-care provider on the basis of an alleged breach of contract, express or implied, assuring results to be obtained from undertaking or not undertaking any diagnostic or therapeutic procedure in the course of health care, unless such contract is set forth in writing and signed by such health-care provider or by an authorized agent of such health-care provider.