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ICD-10 Guide
ICD-10 CodesI50.42

I50.42

Billable

Chronic combined systolic (congestive) and diastolic (congestive) heart failure

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 I50.42 is a billable code used to indicate a diagnosis of chronic combined systolic (congestive) and diastolic (congestive) heart failure.

Key Diagnostic Point:

Chronic combined systolic and diastolic heart failure, also known as congestive heart failure (CHF), is a complex condition characterized by the heart's inability to pump blood effectively, leading to inadequate perfusion of tissues and fluid overload. This condition involves both the systolic (the heart's ability to contract) and diastolic (the heart's ability to relax) phases of the cardiac cycle, resulting in a range of symptoms including dyspnea, fatigue, and edema. The anatomy involved primarily includes the left and right ventricles, atria, and the associated valves. Disease progression often leads to worsening symptoms and increased hospitalizations, making early diagnosis and management crucial. Diagnostic considerations include echocardiograms, BNP (B-type natriuretic peptide) levels, and clinical assessments to differentiate between heart failure types and stages. Management typically involves lifestyle modifications, pharmacotherapy, and in some cases, surgical interventions, highlighting the importance of a multidisciplinary approach in treating patients with this condition.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors include misclassification of heart failure type.
  • Documentation gaps may arise from insufficient clinical details regarding the patient's heart function.
  • Billing challenges often stem from the need for extensive documentation to support the complexity of the condition.

Specialty Focus

Medical Specialties

Cardiology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Internal Medicine

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Chronic combined heart failure significantly impacts population health, contributing to high morbidity and mortality rates. It is a leading cause of hospital admissions, particularly among the elderly. Quality measures focus on timely diagnosis, effective management strategies, and patient education to improve outcomes. Understanding healthcare utilization patterns related to I50.42 can help in resource allocation and improving care delivery for affected populations.

ICD-9 vs ICD-10

Chronic combined heart failure significantly impacts population health, contributing to high morbidity and mortality rates. It is a leading cause of hospital admissions, particularly among the elderly. Quality measures focus on timely diagnosis, effective management strategies, and patient education to improve outcomes. Understanding healthcare utilization patterns related to I50.42 can help in resource allocation and improving care delivery for affected populations.

Reimbursement & Billing Impact

Reimbursement considerations include the need for clear evidence of both systolic and diastolic dysfunction, which may involve multiple diagnostic tests and consultations. Common denials may occur if the documentation does not adequately support the diagnosis or if the treatment plan is not aligned with the severity of the condition. Coding best practices emphasize the importance of specificity and clarity in clinical notes to facilitate accurate billing and reduce audit risks.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for I00-I99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by I50.42?

I50.42 encompasses chronic heart failure that exhibits both systolic and diastolic dysfunction. This includes patients with a history of myocardial infarction, hypertension, and other cardiovascular diseases that contribute to the dual failure of the heart's pumping and filling capabilities.

When should I50.42 be used instead of related codes?

I50.42 should be used when both systolic and diastolic heart failure are present, as indicated by clinical assessments and diagnostic tests. If only one type of heart failure is diagnosed, the respective code (I50.41 or I50.43) should be utilized.

What documentation supports I50.42?

Documentation for I50.42 should include detailed clinical notes on the patient's symptoms, diagnostic test results (e.g., echocardiograms, BNP levels), and treatment plans that reflect the complexity of managing both systolic and diastolic heart failure.