J12.82 (Pneumonia due to coronavirus disease 2019) compared with J84.9 (Interstitial pulmonary disease, unspecified), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“interstitial pneumonia NOS (J84.9)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. J12.82 carries an Excludes2 note covering J84.9: “interstitial pneumonia NOS (J84.9)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| J12.82Pneumonia due to coronavirus disease 2019 | J84.9Interstitial pulmonary disease, unspecified | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | J00-J99 — Diseases of the Respiratory System (J00-J99) | J00-J99 — Diseases of the Respiratory System (J00-J99) |
| Definition | Pneumonia due to coronavirus disease 2019 is a billable ICD-10-CM diagnosis code (J12.82). | Interstitial pulmonary disease, unspecified is a billable ICD-10-CM diagnosis code (J84.9). |
| Includes | bronchopneumonia due to viruses other than influenza viruses Pneumonia due to 2019 novel coronavirus (SARS-CoV-2) Pneumonia due to COVID-19 | Interstitial pneumonia NOS |
| Use additional code | code, if applicable, to identify resistance to antimicrobial drugs (Z16.-) | — |
| Code first | COVID-19 (U07.1) associated influenza, if applicable (J09.X1, J10.0-, J11.0-) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources