ICD-10-CM > S00-T88 > S40-S49 > S40 > S40.9 > S40.92 > S40.929 S40.929 Unspecified superficial injury of unspecified upper arm Non-Billable/Non-Specific Codes S40.929A..., initial encounterS40.929D..., subsequent encounterS40.929S..., sequela