ICD-10-CM J84.1: Other interstitial pulmonary diseases with fibrosis

ICD-10-CM Diagnosis Code (2025)

Official Description for J84.1

Other interstitial pulmonary diseases with fibrosis

Coding Notes & Guidelines for J84.1

Excludes1: Not Coded Here
  • pulmonary fibrosis (chronic) due to inhalation of chemicals, gases, fumes or vapors (J68.4)
  • pulmonary fibrosis (chronic) following radiation (J70.1)
Excludes1: Not Coded Here
  • lymphoid interstitial pneumonia (J84.2)
  • pneumocystis pneumonia (B59)
Excludes1: Not Coded Here

non-specific interstitial pneumonia NOS, or due to known underlying cause (J84.89)

Excludes1: Not Coded Here

pneumocystis pneumonia (B59)

Excludes1: Not Coded Here

organizing pneumonia NOS, or due to known underlying cause (J84.89)

Code First
  • underlying disease, such as:
  • lung diseases due to external agents (J60-J70)
  • rheumatoid arthritis (M05.00-M06.9)
  • sarcoidosis (D86.-)
  • systemic connective tissue disorders (M30-M36)
Code First
  • underlying disease, such as:
  • progressive systemic sclerosis (M34.0)
  • rheumatoid arthritis (M05.00-M06.9)
  • systemic lupus erythematosis (M32.0-M32.9)
Inclusion Terms
  • Capillary fibrosis of lung
  • Cirrhosis of lung (chronic) NOS
  • Fibrosis of lung (atrophic) (chronic) (confluent) (massive) (perialveolar) (peribronchial) NOS
  • Induration of lung (chronic) NOS
  • Postinflammatory pulmonary fibrosis
Inclusion Terms
  • Cryptogenic fibrosing alveolitis
  • Idiopathic fibrosing alveolitis
Inclusion Terms

Hamman-Rich syndrome

Inclusion Terms

Progressive fibrotic interstitial lung disease

Inclusion Terms
  • Interstitial pneumonia (nonspecific) (usual) due to collagen vascular disease
  • Interstitial pneumonia (nonspecific) (usual) in diseases classified elsewhere
  • Organizing pneumonia due to collagen vascular disease
  • Organizing pneumonia in diseases classified elsewhere

Parent Code (Less Specific):

About ICD-10-CM Code J84.1 (Other interstitial pulmonary diseases with fibrosis)

ICD-10-CM code J84.1 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM J84.1 became effective on October 1, 2024.

This page provides detailed information about J84.1 - Other interstitial pulmonary diseases with fibrosis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other interstitial pulmonary diseases with fibrosis.