ICD-10-CM > S00-T88 > S30-S39 > S36 > S36.5 > S36.51 > S36.512 S36.512 Primary blast injury of descending [left] colon Non-Billable/Non-Specific Codes S36.512A..., initial encounterS36.512D..., subsequent encounterS36.512S..., sequela