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v1.0.0
ICD-10 Guide
ICD-10 CodesR05.3

R05.3

Chronic cough

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 R05.3 is a billable code used to indicate a diagnosis of chronic cough.

Key Diagnostic Point:

Chronic cough is defined as a cough that persists for eight weeks or longer in adults, or four weeks in children. It can be a symptom of various underlying conditions, including respiratory diseases, allergies, gastroesophageal reflux disease (GERD), and even certain medications. Chronic cough can significantly impact a patient's quality of life, leading to sleep disturbances, fatigue, and social embarrassment. The cough may be dry or productive, and its characteristics can provide clues to the underlying cause. For instance, a dry cough may suggest asthma or postnasal drip, while a productive cough could indicate an infection or chronic bronchitis. The diagnostic approach typically involves a thorough history and physical examination, followed by targeted investigations such as chest X-rays, pulmonary function tests, or allergy testing to identify the underlying etiology. Management strategies depend on the identified cause and may include medications, lifestyle modifications, or referral to specialists.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of potential underlying causes
  • Overlap with other respiratory conditions
  • Need for comprehensive patient history
  • Potential for chronicity leading to multiple evaluations

Audit Risk Factors

  • Inadequate documentation of chronicity
  • Failure to specify underlying causes
  • Misclassification of acute vs. chronic cough
  • Lack of supporting clinical evidence for diagnosis

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed history of cough duration, characteristics, and associated symptoms; results of diagnostic tests.

Common Clinical Scenarios

Patients presenting with persistent cough after upper respiratory infections or with known chronic conditions like asthma or COPD.

Billing Considerations

Ensure documentation reflects the chronic nature and any associated conditions to support the diagnosis.

Emergency Medicine

Documentation Requirements

Acute assessment of cough, including vital signs, history of present illness, and any immediate interventions.

Common Clinical Scenarios

Patients with acute exacerbations of chronic cough or presenting with cough due to acute infections.

Billing Considerations

Document the acute nature of the visit and any treatments provided to differentiate from chronic management.

Coding Guidelines

Inclusion Criteria

Use R05.3 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the chronicity of the cough is well
  • documented and that any underlying conditions are coded appropriately

Exclusion Criteria

Do NOT use R05.3 When
No specific exclusions found.

Related CPT Codes

94010CPT Code

Spirometry

Clinical Scenario

Used to assess lung function in patients with chronic cough.

Documentation Requirements

Document the reason for the spirometry and the results.

Specialty Considerations

Pulmonologists may perform more detailed assessments.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of chronic cough, improving the ability to capture the complexity of this symptom and its underlying causes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of chronic cough, improving the ability to capture the complexity of this symptom and its underlying causes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of chronic cough, improving the ability to capture the complexity of this symptom and its underlying causes.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between acute cough and chronic cough?

Acute cough lasts less than eight weeks, often due to infections or irritants, while chronic cough persists for eight weeks or longer and may indicate underlying chronic conditions.