I46 vs R57.0
I46 (Cardiac arrest) compared with R57.0 (Cardiogenic shock), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. I46 carries an Excludes2 note covering R57.0: “cardiogenic shock (R57.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| I46Cardiac arrest | R57.0Cardiogenic shock | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Cardiac arrest is a non-billable ICD-10-CM category code (I46). | Cardiogenic shock is a billable ICD-10-CM diagnosis code (R57.0). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources