ICD-10 Code: S42.21 – Unspecified fracture of surgical neck of humerus

ICD-10 code S42.21 corresponds to Unspecified fracture of surgical neck of humerus. This code is classified under the chapter S42 Fracture of shoulder and upper arm, which is part of the S40-S49: Injuries to the shoulder and upper arm category.

The parent chapter is Injury, poisoning and certain other consequences of external causes.