T45.616Header code — not billable

Underdosing of thrombolytic drugs

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T45
Effective date
October 1, 2026

Related codes in category T45

Frequently asked questions

What is ICD-10 code T45.616?

T45.616 is an ICD-10-CM diagnosis code for Underdosing of thrombolytic drugs.

Is T45.616 a billable code?

No. T45.616 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 T45.616 in?

T45.616 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T45.616 become effective?

T45.616 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T45.616?

T45.616 belongs to category T45, 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.