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ICD-10 Guide
ICD-10 CodesJ66

J66

Airway disease due to specific organic dust

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

Code Description

ICD-10 J66 is a used to indicate a diagnosis of airway disease due to specific organic dust.

Key Diagnostic Point:

J66 refers to airway diseases caused by specific organic dust, which can lead to a range of respiratory conditions. These diseases are often associated with occupational exposure to organic dusts, such as those found in agriculture, woodworking, and certain manufacturing processes. Clinically, patients may present with symptoms such as cough, wheezing, shortness of breath, and chest tightness, which can vary in severity depending on the level and duration of exposure. The anatomy primarily involved includes the bronchi and alveoli, where inflammation and obstruction can occur due to the inhalation of organic particles. Disease progression can lead to chronic respiratory issues, including chronic bronchitis or even hypersensitivity pneumonitis if exposure continues. Diagnostic considerations include a thorough occupational history, pulmonary function tests, and possibly imaging studies to assess lung function and structure. A definitive diagnosis may require specific tests to identify the organic dust involved and its effects on the respiratory system.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

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

Audit Risk Factors

  • Common coding errors
  • Documentation gaps
  • Billing challenges

Specialty Focus

Medical Specialties

Pulmonology

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

Occupational 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 Codes

Child Codes

4 codes
J66.0
Byssinosis
J66.1
Flax-dressers' disease
J66.2
Cannabinosis
J66.8
Airway disease due to other specific organic dusts

Related CPT Codes

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 J66 lies in its association with occupational health, as many patients may be unaware of the risks posed by organic dust exposure. Understanding and addressing these conditions can improve population health outcomes by reducing the incidence of chronic respiratory diseases. Quality measures may include monitoring workplace safety and implementing preventive strategies. Epidemiologically, conditions coded under J66 highlight the need for awareness and intervention in at-risk populations, particularly in industries with high exposure to organic dust.

ICD-9 vs ICD-10

The clinical significance of J66 lies in its association with occupational health, as many patients may be unaware of the risks posed by organic dust exposure. Understanding and addressing these conditions can improve population health outcomes by reducing the incidence of chronic respiratory diseases. Quality measures may include monitoring workplace safety and implementing preventive strategies. Epidemiologically, conditions coded under J66 highlight the need for awareness and intervention in at-risk populations, particularly in industries with high exposure to organic dust.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the diagnosis is clearly linked to the patient's work history. Common denials may arise from insufficient documentation of the connection between exposure and symptoms. Best practices include thorough clinical notes, clear coding of the diagnosis, and ensuring that all relevant tests and evaluations are documented to support the claim.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for J00-J99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for J00-J99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by J66?

J66 encompasses conditions such as organic dust toxic syndrome, hypersensitivity pneumonitis, and other respiratory diseases resulting from exposure to organic dusts like mold, animal dander, and plant materials. Diagnostic criteria often include a combination of clinical symptoms, exposure history, and pulmonary function tests.

When should J66 be used instead of related codes?

J66 should be used when the airway disease is specifically linked to organic dust exposure, distinguishing it from other respiratory conditions that may arise from inorganic dust or non-specific irritants. Accurate coding requires a clear connection between the patient's occupational exposure and their respiratory symptoms.

What documentation supports J66?

Documentation should include a detailed occupational history, clinical symptoms, results from pulmonary function tests, and any imaging studies that support the diagnosis. Additionally, evidence of exposure to specific organic dusts and their correlation with respiratory symptoms is crucial for substantiating the use of J66.