T48.996Header code — not billable

Underdosing of other agents primarily acting on the respiratory system

Short description: Underdosing of agents primarily acting on the resp sys

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T48
Effective date
October 1, 2026

Related codes in category T48

Frequently asked questions

What is ICD-10 code T48.996?

T48.996 is an ICD-10-CM diagnosis code for Underdosing of other agents primarily acting on the respiratory system.

Is T48.996 a billable code?

No. T48.996 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 T48.996 in?

T48.996 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T48.996 become effective?

T48.996 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T48.996?

T48.996 belongs to category T48, 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.