ICD-10-CM > S00-T88 > S40-S49 > S40 > S40.0 > S40.02 S40.02 Contusion of upper arm Non-Billable/Non-Specific Codes S40.021Contusion of right upper armS40.021A..., initial encounterS40.021D..., subsequent encounterS40.021S..., sequelaS40.022Contusion of left upper armS40.022A..., initial encounterS40.022D..., subsequent encounterS40.022S..., sequelaS40.029Contusion of unspecified upper armS40.029A..., initial encounterS40.029D..., subsequent encounterS40.029S..., sequela