T46.906Header code — not billable

Underdosing of unspecified agents primarily affecting the cardiovascular system

Short description: Underdosing of unsp agents aff the cardiovascular sys

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T46
Effective date
October 1, 2026

Related codes in category T46

Frequently asked questions

What is ICD-10 code T46.906?

T46.906 is an ICD-10-CM diagnosis code for Underdosing of unspecified agents primarily affecting the cardiovascular system.

Is T46.906 a billable code?

No. T46.906 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 T46.906 in?

T46.906 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T46.906 become effective?

T46.906 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T46.906?

T46.906 belongs to category T46, 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.