ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesI48.19

I48.19

Billable

Other persistent atrial fibrillation

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

Code Description

ICD-10 I48.19 is a billable code used to indicate a diagnosis of other persistent atrial fibrillation.

Key Diagnostic Point:

I48.19 refers to other persistent atrial fibrillation, a type of arrhythmia characterized by a continuous and irregular heartbeat that persists for more than seven days. This condition affects the atria, the upper chambers of the heart, leading to ineffective blood pumping and increased risk of thromboembolic events, such as stroke. Patients may present with symptoms like palpitations, fatigue, shortness of breath, and chest discomfort. The anatomy involved includes the atria, atrioventricular node, and the conduction pathways of the heart. Disease progression can lead to complications such as heart failure and increased morbidity. Diagnostic considerations include electrocardiograms (ECGs) to confirm the presence of atrial fibrillation, echocardiograms to assess cardiac function, and monitoring for potential thrombus formation. Management may involve rate or rhythm control strategies, anticoagulation therapy, and lifestyle modifications to mitigate risks associated with this arrhythmia.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires thorough assessment and monitoring of cardiac function and rhythm.
  • Treatment complexity: Involves multiple treatment modalities including medications and potential procedures.
  • Documentation requirements: Detailed clinical documentation is necessary to support the diagnosis and treatment plan.
  • Coding specificity: Requires precise coding to differentiate from other types of atrial fibrillation.

Audit Risk Factors

  • Common coding errors: Misclassification of atrial fibrillation types can lead to incorrect coding.
  • Documentation gaps: Incomplete records regarding patient history and treatment can pose risks.
  • Billing challenges: Variability in treatment approaches may lead to discrepancies in reimbursement.

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

The clinical significance of I48.19 lies in its association with increased morbidity and mortality due to potential complications like stroke and heart failure. The population health impact is substantial, as atrial fibrillation is prevalent among older adults and those with cardiovascular risk factors. Quality measures focus on appropriate anticoagulation therapy and rhythm control strategies, which can improve patient outcomes and reduce healthcare utilization patterns related to emergency care and hospitalizations.

ICD-9 vs ICD-10

The clinical significance of I48.19 lies in its association with increased morbidity and mortality due to potential complications like stroke and heart failure. The population health impact is substantial, as atrial fibrillation is prevalent among older adults and those with cardiovascular risk factors. Quality measures focus on appropriate anticoagulation therapy and rhythm control strategies, which can improve patient outcomes and reduce healthcare utilization patterns related to emergency care and hospitalizations.

Reimbursement & Billing Impact

Reimbursement considerations include the complexity of care provided, which may involve consultations, diagnostic tests, and ongoing management. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity for the services rendered. Best practices include maintaining thorough records of patient interactions, treatment responses, and any changes in the patient's condition to support claims effectively.

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 I48.19?

I48.19 encompasses other forms of persistent atrial fibrillation that do not fall under the more specific categories of paroxysmal or persistent atrial fibrillation. This may include atypical presentations or cases with underlying conditions contributing to the arrhythmia.

When should I48.19 be used instead of related codes?

I48.19 should be used when the atrial fibrillation is persistent but does not meet the criteria for paroxysmal or persistent types as defined in other codes. It is essential to document the specific characteristics of the arrhythmia to justify the use of this code.

What documentation supports I48.19?

Documentation should include the patient's clinical presentation, results from ECGs confirming atrial fibrillation, treatment plans, and any relevant comorbidities that may influence management. Comprehensive notes on patient history and response to treatment are also crucial.