ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.6 > S31.63 > S31.636 S31.636 Puncture wound of abdominal wall without foreign body, right flank with penetration into peritoneal cavity Non-Billable/Non-Specific Codes S31.636A..., initial encounterS31.636D..., subsequent encounterS31.636S..., sequela