T49.4X6SBillable
Underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations, sequela
Short description: Underdosing of keratolyt/keratplst/hair trmt drug, sequela
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- T49
- Effective date
- October 1, 2026
Related codes in category T49
T49Topical skin/eye/ENT/dental drugsT49.0Local antifungal, anti-infective and anti-inflammatory drugsT49.0XLocal antifungal, anti-infective and anti-inflammatory drugsT49.0X1Poisoning by local antifung/infect/inflamm drugs, accT49.0X1APoisoning by local antifung/infect/inflamm drugs, acc, initYesT49.0X1DPoisoning by local antifung/infect/inflamm drugs, acc, subsYesT49.0X1SPoisn by local antifung/infect/inflamm drugs, acc, sequelaYesT49.0X2Poisoning by local antifung/infect/inflamm drugs, self-harmT49.0X2APoisn by local antifung/infect/inflamm drugs, slf-hrm, initYesT49.0X2DPoisn by local antifung/infect/inflamm drugs, slf-hrm, subsYesT49.0X2SPoisn by local antifung/infect/inflamm drugs, slf-hrm, sqlaYesT49.0X3Poisoning by local antifung/infect/inflamm drugs, assault
Frequently asked questions
What is ICD-10 code T49.4X6S?
T49.4X6S is an ICD-10-CM diagnosis code for Underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations, sequela.
Is T49.4X6S a billable code?
Yes. T49.4X6S is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is T49.4X6S in?
T49.4X6S falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T49.4X6S become effective?
T49.4X6S has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T49.4X6S?
T49.4X6S belongs to category T49, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.