ICD-10-CM > S00-T88 > T36-T50 > T45 > T45.0 > T45.0X > T45.0X6 T45.0X6 Underdosing of antiallergic and antiemetic drugs Non-Billable/Non-Specific Codes T45.0X6A..., initial encounterT45.0X6D..., subsequent encounterT45.0X6S..., sequela