ICD-10-CM > S00-T88 > S40-S49 > S40 > S40.9 > S40.92 > S40.922 S40.922 Unspecified superficial injury of left upper arm Non-Billable/Non-Specific Codes S40.922A..., initial encounterS40.922D..., subsequent encounterS40.922S..., sequela