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I50

⚠ Non-billable (Header)

Heart failure

Diseases of the circulatory system (I00-I99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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📋 Code Instructions

  • • 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)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • cardiac arrest (I46.-)
  • • neonatal cardiac failure (P29.0)

Child Codes (6)

I50.1Left ventricular failure, unspecifiedI50.2Systolic (congestive) heart failureI50.3Diastolic (congestive) heart failureI50.4Combined systolic (congestive) and diastolic (congestive) heart failureI50.8Other heart failureI50.9Heart failure, unspecified

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Code Information

CodeI50
BillableNo — Header code
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes22 note(s)
Child codes6

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)