I50.8

Non-Billable
ChapterI00–I99
Ranksubcategory
Official Description

Other heart failure

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).
General instructions are available for the parent sections:
View CH9 NotesView I50 Notes

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)
I30-I5AOther forms of heart disease (I30-I5A)
I50Heart failure
I50.8Other heart failure
I50.81Right heart failure
I50.82Biventricular heart failure
I50.83High output heart failure
I50.84End stage heart failure
I50.89Other heart failure

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I50.8:

categoryI50
Heart failure
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to I50.8. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

22 raw paths
Ascites (abdominal)2 unique routes
cardiac→I50.8
heart→I50.8
Biventricular failure (heart)1 unique routes
Direct index entry→I50.8
Failure, failed19 unique routes
biventricular→I50.8(2 variants)
due to left heart failure→I50.8
heart (acute) (senile) (sudden)(14 variants)
biventricular→I50.8(2 variants)
due to left heart failure→I50.8
combined left-right sided→I50.8(2 variants)
due to left heart failure→I50.8
end stage→I50.8
high output NOS→I50.8
right (isolated) (ventricular)→I50.8(6 variants)
acute→I50.8(2 variants)
and (on) chronic→I50.8
chronic→I50.8(2 variants)
and acute→I50.8
secondary to left heart failure→I50.8
specified NEC→I50.8
with
decompensation
right→I50.8
Note: heart failure stages A, B, C, and D are based on the American College of Cardiology and American Heart Association stages of heart failure, which complement and should not be confused with the New York Heart Association Classification of Heart Failure, into Class I, Class II, Class III, and Class IV(3 variants)
stage D→I50.8
thyrotoxic(2 variants)
with(2 variants)
high output→I50.8
thyroid storm
high output→I50.8

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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