ICD-10-CM > S00-T88 > T36-T50 > T39 > T39.2 > T39.2X > T39.2X1 T39.2X1 Poisoning by pyrazolone derivatives, accidental (unintentional) Non-Billable/Non-Specific Applicable To Poisoning by pyrazolone derivatives NOS Codes T39.2X1A..., initial encounterT39.2X1D..., subsequent encounterT39.2X1S..., sequela