ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.8 > S31.83 S31.83 Open wound of anus Non-Billable/Non-Specific Codes S31.831Laceration without foreign body of anusS31.831A..., initial encounterS31.831D..., subsequent encounterS31.831S..., sequelaS31.832Laceration with foreign body of anusS31.832A..., initial encounterS31.832D..., subsequent encounterS31.832S..., sequelaS31.833Puncture wound without foreign body of anusS31.833A..., initial encounterS31.833D..., subsequent encounterS31.833S..., sequelaS31.834Puncture wound with foreign body of anusS31.834A..., initial encounterS31.834D..., subsequent encounterS31.834S..., sequelaS31.835Open bite of anusS31.835A..., initial encounterS31.835D..., subsequent encounterS31.835S..., sequelaS31.839Unspecified open wound of anusS31.839A..., initial encounterS31.839D..., subsequent encounterS31.839S..., sequela