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 CodesR09.81

R09.81

Nasal congestion

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

Code Description

ICD-10 R09.81 is a billable code used to indicate a diagnosis of nasal congestion.

Key Diagnostic Point:

Nasal congestion, also known as nasal obstruction, is a common symptom characterized by the blockage of the nasal passages, leading to difficulty breathing through the nose. This condition can result from various underlying causes, including infections (such as the common cold or sinusitis), allergies (like allergic rhinitis), structural abnormalities (such as a deviated septum), or environmental irritants. Patients may present with additional symptoms such as rhinorrhea (runny nose), sneezing, and facial pressure. The clinical significance of nasal congestion lies in its potential to affect quality of life, sleep, and overall health. It can also lead to complications such as sinus infections if not properly managed. Diagnosis typically involves a thorough history and physical examination, with additional tests like nasal endoscopy or imaging studies being utilized in complex cases. Treatment options vary based on the underlying cause and may include antihistamines, decongestants, nasal corticosteroids, or surgical interventions in cases of anatomical obstruction.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying causes requiring differential diagnosis
  • Potential overlap with other respiratory conditions
  • Need for detailed documentation to support the diagnosis
  • Variability in treatment approaches based on etiology

Audit Risk Factors

  • Inadequate documentation of the underlying cause of nasal congestion
  • Misuse of R09.81 when a more specific diagnosis is available
  • Failure to document associated symptoms that may affect coding
  • Inconsistent coding practices across different providers

Specialty Focus

Medical Specialties

Internal Medicine

Documentation Requirements

Detailed patient history, including duration and severity of symptoms, associated conditions, and response to previous treatments.

Common Clinical Scenarios

Patients presenting with chronic nasal congestion due to allergies or sinusitis, requiring management and follow-up.

Billing Considerations

Consideration of comorbid conditions such as asthma or chronic obstructive pulmonary disease (COPD) that may complicate the clinical picture.

Emergency Medicine

Documentation Requirements

Acute care documentation including vital signs, immediate treatment provided, and any interventions performed.

Common Clinical Scenarios

Patients presenting with acute nasal congestion due to upper respiratory infections or allergic reactions requiring urgent care.

Billing Considerations

Rapid assessment of airway patency and potential need for emergency interventions in severe cases.

Coding Guidelines

Inclusion Criteria

Use R09.81 When
  • Follow official ICD
  • CM coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Use R09
  • 81 when nasal congestion is the primary symptom and not attributable to a more specific diagnosis

Exclusion Criteria

Do NOT use R09.81 When
No specific exclusions found.

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits for patients with chronic nasal congestion.

Documentation Requirements

Document history of present illness, review of systems, and treatment plan.

Specialty Considerations

Internal medicine providers should ensure comprehensive documentation of chronic conditions.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of nasal congestion and its underlying causes, improving the accuracy of clinical data and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of nasal congestion and its underlying causes, improving the accuracy of clinical data and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

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

When should I use R09.81?

Use R09.81 when nasal congestion is the primary symptom and there is no more specific diagnosis available. Ensure that the documentation supports the diagnosis.