ICD-10-CM I46: Cardiac arrest

ICD-10-CM Diagnosis Code (2025)

Official Description for I46

Cardiac arrest

Coding Notes & Guidelines for I46

Excludes2: Not Included Here

cardiogenic shock (R57.0)

Code First

underlying cardiac condition

Code First

underlying condition

Child Codes (More Specific Codes for I46):

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

About ICD-10-CM Code I46 (Cardiac arrest)

ICD-10-CM code I46 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I46 became effective on October 1, 2024.

This page provides detailed information about I46 - Cardiac arrest. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Cardiac arrest.