ICD-10-CM > S00-T88 > S30-S39 > S35 > S35.2 > S35.23 > S35.239 S35.239 Unspecified injury of inferior mesenteric artery Non-Billable/Non-Specific Codes S35.239A..., initial encounterS35.239D..., subsequent encounterS35.239S..., sequela