T63.301ABillable

Toxic effect of unspecified spider venom, accidental (unintentional), initial encounter

Short description: Toxic effect of unsp spider venom, accidental, init

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

Frequently asked questions

What is ICD-10 code T63.301A?

T63.301A is an ICD-10-CM diagnosis code for Toxic effect of unspecified spider venom, accidental (unintentional), initial encounter.

Is T63.301A a billable code?

Yes. T63.301A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T63.301A in?

T63.301A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T63.301A become effective?

T63.301A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.