WILL STRUGGLES WITH A DIAGNOSIS

Goodwin, Maggie and Crockett help victims of a hit-and-run accident.

Will struggles to diagnose a patient with seizures.

Hannah and Archer clash with Jack Dayton.

Air Date: Wednesday, Jan. 18 (08:00PM – 09:00PM) on NBC.

NUP_199914_00186.jpg

Picture 1 of 14

CHICAGO MED -- "We All Know What They Say About Assumptions" Episode 812 -- Pictured: Marlyne Barrett as Maggie Lockwood -- (Photo by: George Burns Jr/NBC)