I50.4
⚠ Non-billable (Header)Combined systolic (congestive) and diastolic (congestive) heart failure
Diseases of the circulatory system (I00-I99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
Also Known As
Combined systolic and diastolic left ventricular heart failureHeart failure with reduced ejection fraction and diastolic dysfunction
⚠️ Excludes2
inherited from I50Rules from parent category I50: Heart failure
- • cardiac arrest (I46.-)
- • neonatal cardiac failure (P29.0)
📋 Code Instructions
from I50- • Code first: heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)
- • Code first: heart failure due to hypertension (I11.0)
- • Code first: heart failure due to hypertension with chronic kidney disease (I13.-)
- • Code first: heart failure following surgery (I97.13-)
- • Code first: obstetric surgery and procedures (O75.4)
- • Code first: rheumatic heart failure (I09.81)
Child Codes (4)
I50.40Unspecified combined systolic (congestive) and diastolic (congestive) heart failureI50.41Acute combined systolic (congestive) and diastolic (congestive) heart failureI50.42Chronic combined systolic (congestive) and diastolic (congestive) heart failureI50.43Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure
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CodeI50.4
BillableNo — Header code
ParentI50
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes22 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)