ICD-10-CM > S00-T88 > T36-T50 > T39 > T39.4 > T39.4X > T39.4X1 T39.4X1 Poisoning by antirheumatics, not elsewhere classified, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by antirheumatics, not elsewhere classified NOS Codes T39.4X1A..., initial encounterT39.4X1D..., subsequent encounterT39.4X1S..., sequela