I46 Cardiac arrest

Category / Non-billable header 3 subcodes

Block: Other forms of heart disease (I30-I5A)

Excludes 2 (not included here)

  • cardiogenic shock (R57.0)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
I46..2 Cardiac arrest due to underlying cardiac condition Yes
I46..8 Cardiac arrest due to other underlying condition Yes
I46..9 Cardiac arrest, cause unspecified Yes

Last reviewed: September 2026