T63.394Header code — not billable

Toxic effect of venom of other spider, 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 T63.394?

T63.394 is an ICD-10-CM diagnosis code for Toxic effect of venom of other spider, undetermined.

Is T63.394 a billable code?

No. T63.394 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 T63.394 in?

T63.394 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T63.394 become effective?

T63.394 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T63.394?

T63.394 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.