Del. Code 18, § 6854 : Insurance Code — Health Care Medical Negligence Insurance And Litigation — General Provisions — Expert witness Date: 2 Sep 2016 TEXT PDF Current through 2016 Legislative Session, Act 399 No person shall be competent to give expert medical testimony as to applicable standards of skill and care unless such person is familiar with the degree of skill ordinarily employed in the field of medicine on which he or she will testify. Del. C. § 6854 60 Del. Laws, c. 373, § 1; 62 Del. Laws, c. 274, §1; 70 Del. Laws, c. 415, § 1.;