ICD-10-CM > S00-T88 > S50-S59 > S50 > S50.8 > S50.87 S50.87 Other superficial bite of forearm Non-Billable/Non-Specific Type 1 Excludes open bite of forearm (S51.84) Codes S50.871Other superficial bite of right forearmS50.871A..., initial encounterS50.871D..., subsequent encounterS50.871S..., sequelaS50.872Other superficial bite of left forearmS50.872A..., initial encounterS50.872D..., subsequent encounterS50.872S..., sequelaS50.879Other superficial bite of unspecified forearmS50.879A..., initial encounterS50.879D..., subsequent encounterS50.879S..., sequela