ICD-10-CM > S00-T88 > T36-T50 > T39 > T39.2 > T39.2X > T39.2X5 T39.2X5 Adverse effect of pyrazolone derivatives Non-Billable/Non-Specific Codes T39.2X5A..., initial encounterT39.2X5D..., subsequent encounterT39.2X5S..., sequela