I46.9Billable

Cardiac arrest, cause unspecified

Chapter
9. Diseases of the circulatory system
Category
I46
Effective date
October 1, 2026

Related codes in category I46

I46Cardiac arrestI46.2Cardiac arrest due to underlying cardiac conditionYesI46.8Cardiac arrest due to other underlying conditionYes

Frequently asked questions

What is ICD-10 code I46.9?

I46.9 is an ICD-10-CM diagnosis code for Cardiac arrest, cause unspecified.

Is I46.9 a billable code?

Yes. I46.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is I46.9 in?

I46.9 falls under Chapter 9: Diseases of the circulatory system.

When did I46.9 become effective?

I46.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to I46.9?

I46.9 belongs to category I46, which includes 3 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.