S42.445B Nondisplaced fracture (avulsion) of medial epicondyle of left humerus, initial encounter for open fracture

S42.445B is a billable/specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Nondisplaced fracture (avulsion) of medial epicondyle of left humerus, initial encounter for open fracture.