J70 vs J84.17
J70 (Respiratory conditions due to other external agents) compared with J84.17 (Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. J84.17 carries an Excludes2 note covering J70: “lung diseases due to external agents (J60-J70)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| J70Respiratory conditions due to other external agents | J84.17Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | J00-J99 — Diseases of the Respiratory System (J00-J99) | J00-J99 — Diseases of the Respiratory System (J00-J99) |
| Definition | Respiratory conditions due to other external agents is a non-billable ICD-10-CM category code (J70). | Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere is a non-billable ICD-10-CM category code (J84.17). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources