ICD-10-CM > S00-T88 > S30-S39 > S36 > S36.4 > S36.49 > S36.499 S36.499 Other injury of unspecified part of small intestine Non-Billable/Non-Specific Codes S36.499A..., initial encounterS36.499D..., subsequent encounterS36.499S..., sequela