T50.A96Header code — not billable

Underdosing of other bacterial vaccines

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T50
Effective date
October 1, 2026

Related codes in category T50

Frequently asked questions

What is ICD-10 code T50.A96?

T50.A96 is an ICD-10-CM diagnosis code for Underdosing of other bacterial vaccines.

Is T50.A96 a billable code?

No. T50.A96 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 T50.A96 in?

T50.A96 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T50.A96 become effective?

T50.A96 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T50.A96?

T50.A96 belongs to category T50, 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.