T56.812Header code — not billable

Toxic effect of thallium, intentional self-harm

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T56
Effective date
October 1, 2026

Related codes in category T56

Frequently asked questions

What is ICD-10 code T56.812?

T56.812 is an ICD-10-CM diagnosis code for Toxic effect of thallium, intentional self-harm.

Is T56.812 a billable code?

No. T56.812 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 T56.812 in?

T56.812 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T56.812 become effective?

T56.812 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T56.812?

T56.812 belongs to category T56, 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.