S40.021A Contusion of right upper arm, initial encounterBillable ICD-10-CM code, FY2026.
Built from S40.021 with 7th character A (initial encounter).
S40.019A Contusion of unspecified shoulder, initial encounterS40.019D Contusion of unspecified shoulder, subsequent encounterS40.019S Contusion of unspecified shoulder, sequelaS40.02 Contusion of upper armS40.021 Contusion of right upper armS40.021A Contusion of right upper arm, initial encounter (this code)S40.021D Contusion of right upper arm, subsequent encounterS40.021S Contusion of right upper arm, sequelaS40.022 Contusion of left upper armS40.022A Contusion of left upper arm, initial encounterS40.022D Contusion of left upper arm, subsequent encounter