ICDwise
I46 ⚠ Non-billable

Cardiac arrest

ICD-10-CM · FY2026 · Diseases of the Circulatory System

Code
I46
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code I46?
ICD-10-CM code I46 represents Cardiac arrest. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I46 billable?
No. I46 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is I46 in?
I46 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.

Related codes in the I46 category

I46.2 Cardiac arrest due to underlying cardiac condition Billable I46.8 Cardiac arrest due to other underlying condition Billable I46.9 Cardiac arrest, cause unspecified Billable

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