T49.96Header code — not billable

Underdosing of unspecified topical agent

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T49
Effective date
October 1, 2026

Related codes in category T49

Frequently asked questions

What is ICD-10 code T49.96?

T49.96 is an ICD-10-CM diagnosis code for Underdosing of unspecified topical agent.

Is T49.96 a billable code?

No. T49.96 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 T49.96 in?

T49.96 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T49.96 become effective?

T49.96 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T49.96?

T49.96 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.