Section 735 ILCS 5/8-2501 - Expert Witness Standards In any case in which the standard of care given by a medical profession is at issue, the court shall apply the following standards to determine if a witness qualifies as an expert witness and can testify on the issue of the appropriate standard of care.
(a) Relationship of the medical specialties of the witness to the medical problem or problems and the type of treatment administered in the case;(b) Whether the witness has devoted a substantial portion of his or her time to the practice of medicine, teaching or University based research in relation to the medical care and type of treatment at issue which gave rise to the medical problem of which the plaintiff complains;(c) whether the witness is licensed in the same profession as the defendant; and(d) whether, in the case against a nonspecialist, the witness can demonstrate a sufficient familiarity with the standard of care practiced in this State.Reenacted by P.A. 097-1145,§ 5, eff. 1/18/2013.The text shown does not reflect the changes made by P.A. 89-7 and P.A. 094-0677, § 3-330, which have been held unconstitutional.