ICD-10-CM > S00-T88 > T36-T50 > T39 > T39.3 > T39.31 > T39.311 T39.311 Poisoning by propionic acid derivatives, accidental (unintentional) Non-Billable/Non-Specific Codes T39.311A..., initial encounterT39.311D..., subsequent encounterT39.311S..., sequela