T63.594Header code — not billable

Toxic effect of contact with other venomous fish, undetermined

Short description: Toxic effect of contact with oth venomous fish, undetermined

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T63
Effective date
October 1, 2026

Related codes in category T63

Frequently asked questions

What is ICD-10 code T63.594?

T63.594 is an ICD-10-CM diagnosis code for Toxic effect of contact with other venomous fish, undetermined.

Is T63.594 a billable code?

No. T63.594 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 T63.594 in?

T63.594 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T63.594 become effective?

T63.594 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T63.594?

T63.594 belongs to category T63, 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.