NPI Atlas

I46.2 – Cardiac arrest due to underlying cardiac condition

ICD-10-CM 2027 diagnosis code · Other forms of heart disease

Billable code

ICD-10-CM code I46.2

Code: I46.2 (claims format: I462)
Description: Cardiac arrest due to underlying cardiac condition
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: I30-I5A Other forms of heart disease
Parent codes: I46

Notes for I46.2

Code first:

underlying cardiac condition

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

I46 – Cardiac arrest

Excludes2 (not included here):

cardiogenic shock (R57.0)

Index terms for I46.2

Entries in the ICD-10-CM alphabetic index that lead to this code:

Arrest, arrested, cardiac, due to, cardiac condition

Related codes in I46

Frequently asked questions

What is ICD-10 code I46.2?

I46.2 is the ICD-10-CM code for cardiac arrest due to underlying cardiac condition, in the block I30-I5A (Other forms of heart disease).

Is I46.2 a billable code?

Yes. I46.2 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I46.2 belong to?

It belongs to category I46 – Cardiac arrest.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.