All ICD10 Codes

I50

Non-Billable
ChapterI00–I99
Rankcategory
Description

Heart failure

About ICD-10-CM code I50

Heart failure is classified in ICD-10-CM as code I50, part of I00-I99 Diseases of the Circulatory System, within Other forms of heart disease (I30-I5A). Its status is non-billable, meaning reporting it requires a deeper, more specific code.

Use a more specific code (2 billable, 4 non-billable)
I50.1Left ventricular failure, unspecifiedI50.2Systolic (congestive) heart failurehas subcodesI50.3Diastolic (congestive) heart failurehas subcodesI50.4Combined systolic (congestive) and diastolic (congestive) heart failurehas subcodesI50.8Other heart failurehas subcodesI50.9Heart failure, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • cardiac arrest (I46.-)
  • neonatal cardiac failure (P29.0)
Code First
  • heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • heart failure due to hypertension (I11.0)
  • heart failure due to hypertension with chronic kidney disease (I13.-)
  • heart failure following surgery (I97.13-)
  • obstetric surgery and procedures (O75.4)
  • rheumatic heart failure (I09.81)

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I30-I5AOther forms of heart disease (I30-I5A)
I50Heart failureNot billable
I50.1Left ventricular failure, unspecifiedBillable
I50.2Systolic (congestive) heart failureSubcodes
I50.3Diastolic (congestive) heart failureSubcodes
I50.4Combined systolic (congestive) and diastolic (congestive) heart failureSubcodes
I50.8Other heart failureSubcodes
I50.9Heart failure, unspecifiedBillable

Applicable Ancestor Context

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

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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