ICD-10-CM > S00-T88 > T36-T50 > T49 > T49.4 > T49.4X T49.4X Poisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations Non-Billable/Non-Specific Codes T49.4X1Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, accidental (unintentional)T49.4X1A..., initial encounterT49.4X1D..., subsequent encounterT49.4X1S..., sequelaT49.4X2Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, intentional self-harmT49.4X2A..., initial encounterT49.4X2D..., subsequent encounterT49.4X2S..., sequelaT49.4X3Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, assaultT49.4X3A..., initial encounterT49.4X3D..., subsequent encounterT49.4X3S..., sequelaT49.4X4Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, undeterminedT49.4X4A..., initial encounterT49.4X4D..., subsequent encounterT49.4X4S..., sequelaT49.4X5Adverse effect of keratolytics, keratoplastics, and other hair treatment drugs and preparationsT49.4X5A..., initial encounterT49.4X5D..., subsequent encounterT49.4X5S..., sequelaT49.4X6Underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparationsT49.4X6A..., initial encounterT49.4X6D..., subsequent encounterT49.4X6S..., sequela