ICD-10-CM > S00-T88 > T36-T50 > T39 > T39.3 > T39.39 > T39.394 T39.394 Poisoning by other nonsteroidal anti-inflammatory drugs [NSAID], undetermined Non-Billable/Non-Specific Codes T39.394A..., initial encounterT39.394D..., subsequent encounterT39.394S..., sequela