ICD-10-CM > S00-T88 > T36-T50 > T39 > T39.9 > T39.91 T39.91 Poisoning by unspecified nonopioid analgesic, antipyretic and antirheumatic, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by nonopioid analgesic, antipyretic and antirheumatic NOS Codes T39.91XA..., initial encounterT39.91XD..., subsequent encounterT39.91XS..., sequela