J45 vs J68
J45 (Asthma) compared with J68 (Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors), 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. J68 carries an Excludes2 note covering J45: “asthma (J45.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| J45Asthma | J68Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors | |
|---|---|---|
| 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 | Asthma is a non-billable ICD-10-CM category code (J45). | Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors is a non-billable ICD-10-CM category code (J68). |
| Includes | allergic (predominantly) asthma allergic bronchitis NOS allergic rhinitis with asthma atopic asthma | — |
| Use additional code | code to identify: eosinophilic asthma (J82.83) exposure to environmental tobacco smoke (Z77.22) | code to identify associated respiratory conditions, such as: acute respiratory failure (J96.0-) |
| Code first | — | (T51-T65) to identify cause |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources