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ICD-10 Coding for Fibrosis of Lung(J84.10, J84.112, J84.17)

Complete ICD-10-CM coding and documentation guide for Fibrosis of Lung. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Pulmonary FibrosisInterstitial Lung Disease

Related ICD-10 Code Ranges

Complete code families applicable to Fibrosis of Lung

J84.1Primary Range

Other interstitial pulmonary diseases with fibrosis

This range includes various forms of pulmonary fibrosis, including idiopathic and disease-associated types.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
J84.10Unspecified interstitial pulmonary diseaseUse when the specific cause of fibrosis is not identified.
  • Clinical diagnosis of pulmonary fibrosis without specific etiology
  • Radiological evidence of fibrosis
J84.112Idiopathic pulmonary fibrosisUse when HRCT confirms UIP pattern and no other cause is identified.
  • HRCT showing UIP pattern
  • Exclusion of known causes
J84.17Interstitial pulmonary disease with fibrosis in diseases classified elsewhereUse when fibrosis is associated with a known systemic disease.
  • Documentation of underlying systemic disease
  • Radiological evidence of fibrosis

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for idiopathic pulmonary fibrosis

Essential facts and insights about Fibrosis of Lung

The ICD-10 code for idiopathic pulmonary fibrosis is J84.112, confirmed by a UIP pattern on HRCT.

Primary ICD-10-CM Codes for fibrosis of lung

Unspecified interstitial pulmonary disease
Billable Code

Decision Criteria

clinical Criteria

  • No known cause for fibrosis

Applicable To

  • Pulmonary fibrosis NOS

Excludes

  • Pulmonary fibrosis due to known cause

Clinical Validation Requirements

  • Clinical diagnosis of pulmonary fibrosis without specific etiology
  • Radiological evidence of fibrosis

Code-Specific Risks

  • Risk of under-coding if specific cause is known

Coding Notes

  • Ensure no specific cause is documented before using this code.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Idiopathic pulmonary fibrosis

J84.112
Requires HRCT confirmation of UIP pattern.

Unspecified interstitial pulmonary disease

J84.10
Use when specific pattern or cause is not identified.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Fibrosis of Lung to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code J84.10.

Impact

Clinical: May lead to misdiagnosis., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims.

Mitigation Strategy

Ensure HRCT reports are reviewed and included in documentation., Train staff on documentation standards.

Impact

Reimbursement: May lead to incorrect reimbursement rates., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of clinical data.

Mitigation Strategy

Identify and code the specific cause of fibrosis if known.

Impact

High risk of audit if unspecified codes are used when more specific codes are applicable.

Mitigation Strategy

Ensure thorough documentation and use of specific codes when possible.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Fibrosis of Lung, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Fibrosis of Lung

Use these documentation templates to ensure complete and accurate documentation for Fibrosis of Lung. These templates include all required elements for proper coding and billing.

Idiopathic Pulmonary Fibrosis Diagnosis

Specialty: Pulmonology

Required Elements

  • HRCT findings
  • Exclusion of known causes
  • Clinical symptoms

Example Documentation

HRCT shows basal predominance with honeycombing. No exposure history or serologic evidence of connective tissue disease.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has lung fibrosis.
Good Documentation Example
HRCT reveals bilateral lower lobe predominant reticulation with traction bronchiectasis and honeycombing consistent with UIP pattern.
Explanation
The good example provides specific imaging findings and excludes other causes.

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