J82.81

Billable

ChapterJ00–J99

Ranksubcategory

Official Description

Chronic eosinophilic pneumonia

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 10: Diseases of the Respiratory System (J00-J99).

Instructional Notes

Includes

Eosinophilic pneumonia, NOS

General instructions are available for the parent sections:

View CH10 Notes View J82 Notes

Clinical Hierarchy

CH10Diseases of the respiratory system (J00-J99)

J80-J84Other respiratory diseases principally affecting the interstitium (J80-J84)

J82Pulmonary eosinophilia, not elsewhere classified

J82.8Pulmonary eosinophilia, not elsewhere classified

J82.81Chronic eosinophilic pneumonia

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to J82.81:

categoryJ82

Pulmonary eosinophilia, not elsewhere classified

View context instructions

chapterCH10

Diseases of the respiratory system (J00-J99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to J82.81. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths

Eosinophilia (allergic) (idiopathic) (secondary)1 unique routes

pulmonary NEC

chronic→J82.81

Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)2 unique routes

eosinophilic→J82.81(2 variants)

chronic→J82.81

Pneumonitis (acute) (primary)2 unique routes

eosinophilic→J82.81(2 variants)

chronic→J82.81

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 196

Interstitial Lung Disease with MCC

DRG 197

Interstitial Lung Disease with CC

DRG 198

Interstitial Lung Disease without CC/MCC

Cross Reference

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