ICD-10-CM · Chapter 9 · I00–I99
I46
Cardiac arrest
Diseases of the circulatory system
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- I46
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 9 — Diseases of the circulatory system
- Category
- I46
- Specificity
- 3 characters
How coders use this code
ICD-10-CM I46 is a category (header) for cardiac arrest. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in I46
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