Congestive Heart Failure ICD-10-CM Codes

Congestive Heart Failure ICD-10-CM Codes

Get a comprehensive view of the Congestive Heart Failure ICD codes for 2023. Included are codes, clinical information, synonyms, FAQs, and more.

By Joshua Napilay on Aug 8, 2025.

Fact Checked by Ericka Pingol.

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What ICD-10 Codes Are Used for Congestive Heart Failure?

Congestive heart failure (CHF), or heart failure, is a chronic condition where the heart doesn't pump blood as well as it should. Here are some Congestive Heart Failure ICD codes:

  • I50.20 - Unspecified systolic (congestive) heart failure: This code is used when systolic heart failure is diagnosed, but the severity isn't documented.
  • I50.21 - Acute systolic (congestive) heart failure: This code denotes an acute episode of systolic heart failure.
  • I50.22 - Chronic systolic (congestive) heart failure: This code describes a chronic condition of systolic heart failure.
  • I50.23 - Acute on chronic systolic (congestive) heart failure: For instances when an acute systolic heart failure episode occurs in the setting of chronic systolic heart failure.

Which Congestive Heart Failure ICD Codes Are Billable?

Billing Congestive Heart Failure involves identifying the correct ICD codes:

  • I50.20 - Yes, it's used for cases of systolic heart failure where the severity is not specified.
  • I50.21 - Yes, acute episodes of systolic heart failure are covered by this billable code.
  • I50.22 - Yes, chronic conditions of systolic heart failure can be billed using this code.
  • I50.23 - Yes, when an acute systolic heart failure episode occurs within a chronic systolic heart failure setting, this code is used for billing.

Clinical Information

Congestive heart failure is a long-term, chronic condition in which the heart's ability to pump blood is compromised. Here's what you need to know:

  • CHF is often the result of other conditions that have damaged the heart, such as coronary artery disease, high blood pressure, and diabetes.
  • Symptoms may include shortness of breath, fatigue, swollen legs, and rapid heartbeat.
  • Management can involve lifestyle changes, medications, and in severe cases, devices implanted into the heart or heart surgery.
  • Monitoring and regular follow-ups are crucial in managing CHF, and it can be a lifelong condition.

Synonyms Include:

  • CHF
  • Heart Failure
  • Cardiac Failure
  • Left-sided heart failure
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Commonly asked questions

Common causes of CHF include conditions that damage the heart, such as coronary artery disease, high blood pressure, and diabetes.

Symptoms of CHF can include shortness of breath, fatigue, swollen legs, and rapid heartbeat.

Management of CHF can involve lifestyle changes, medications, and in severe cases, devices implanted into the heart or heart surgery. Regular follow-ups are also crucial in managing the condition.

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