---
title: "ICD-10-CM I50.42: Chronic combined systolic (congestive)… | BillingBrief"
description: "ICD-10-CM code I50.42: Chronic combined systolic (congestive) and diastolic (congestive) heart failure. Category, related codes, and the official source, in…"
canonical: "https://billingbrief.com/icd10/i50.42/"
language: "en"
---

# I50.42 Chronic combined systolic (congestive) and diastolic (congestive) heart failure

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Chronic combined systolic (congestive) and diastolic (congestive) heart failure

## Related codes

-   [`I50.1` Left ventricular failure, unspecified ICD-10-CM](https://billingbrief.com/icd10/i50.1/)
-   [`I50.20` Unspecified systolic (congestive) heart failure ICD-10-CM](https://billingbrief.com/icd10/i50.20/)
-   [`I50.21` Acute systolic (congestive) heart failure ICD-10-CM](https://billingbrief.com/icd10/i50.21/)
-   [`I50.22` Chronic systolic (congestive) heart failure ICD-10-CM](https://billingbrief.com/icd10/i50.22/)
-   [`I50.23` Acute on chronic systolic (congestive) heart failure ICD-10-CM](https://billingbrief.com/icd10/i50.23/)
-   [`I50.30` Unspecified diastolic (congestive) heart failure ICD-10-CM](https://billingbrief.com/icd10/i50.30/)
-   [`I50.31` Acute diastolic (congestive) heart failure ICD-10-CM](https://billingbrief.com/icd10/i50.31/)
-   [`I50.32` Chronic diastolic (congestive) heart failure ICD-10-CM](https://billingbrief.com/icd10/i50.32/)

## Common questions

### Is I50.42 a billable code?

Yes. I50.42 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

I50 Heart failure

Chapter

Diseases of the circulatory system

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).