J63.4

Billable

ChapterJ00–J99

Ranksubcategory

Official Description

Siderosis

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).

General instructions are available for the parent sections:

View CH10 Notes View J60-J70 Notes View J63 Notes

Clinical Hierarchy

CH10Diseases of the respiratory system (J00-J99)

J60-J70Lung diseases due to external agents (J60-J70)

J63Pneumoconiosis due to other inorganic dusts

J63.4Siderosis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to J63.4:

categoryJ63

Pneumoconiosis due to other inorganic dusts

View context instructions

blockJ60-J70

Lung diseases due to external agents (J60-J70)

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 J63.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths

Arc-welder's lung1 unique routes

Direct index entry→J63.4

Fibrosis, fibrotic1 unique routes

lung (atrophic) (chronic) (confluent) (massive) (perialveolar) (peribronchial)

with

siderosis→J63.4

Iron-miner's lung1 unique routes

Direct index entry→J63.4

Siderosis (lung)1 unique routes

Direct index entry→J63.4

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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