I46
Non-billableCardiac 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
What this means — in plain language
MedlinePlus · NIHWhat is sudden cardiac arrest (SCA)? Sudden cardiac arrest (SCA) is a condition in which the heart suddenly stops beating. When that happens, blood stops flowing to the brain and other vital organs. If it is not treated, SCA usually causes death within minutes. But quick treatment with a defibrillator may be lifesaving. How is sudden cardiac arrest (SCA) different from a heart attack? A heart attack is different…
Read more about Sudden Cardiac Arrest at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
- •cardiogenic shock (R57.0)
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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