T49.8X4Header code — not billable
Poisoning by other topical agents, undetermined
- 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 T49.8X4?
T49.8X4 is an ICD-10-CM diagnosis code for Poisoning by other topical agents, undetermined.
Is T49.8X4 a billable code?
No. T49.8X4 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is T49.8X4 in?
T49.8X4 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T49.8X4 become effective?
T49.8X4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T49.8X4?
T49.8X4 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.