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I46

Non-billable

Cardiac arrest

I46 is the ICD-10-CM code for Cardiac arrest. It is a non-billable category code — use a more specific child code such as I46.2 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
3
Edition
FY2026

I00-I99 Diseases of the circulatory system

Excludes2 — not included here

  • •cardiogenic shock (R57.0)

Frequently asked questions

What is ICD-10 code I46?
I46 is the ICD-10-CM code for "Cardiac arrest". It falls under I00-I99 Diseases of the circulatory system.
Is I46 a billable code?
No — I46 is a non-billable header code. Use a more specific child code (such as I46.2) for billing.
What are the subcodes of I46?
I46 has 3 more specific child codes, including I46.2, I46.8, I46.9.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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