ICD-10-CM 2027
ICD-10 code for nitrogen dioxide pneumonia
Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors
From the official ICD-10-CM alphabetic index entry “Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) › nitrogen dioxide”. Page updated September 29, 2026.
About coding nitrogen dioxide pneumonia
The ICD-10-CM code for nitrogen dioxide pneumonia is J68.0 (Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors).
Within J68 (respiratory conditions due to inhalation of chemicals, gases, fumes and vapors), J68.0 is specifically for bronchitis and pneumonitis due to chemicals, gases, fumes and vapors. Related codes cover pulmonary edema due to chemicals, gases, fumes and vapors (J68.1), upper respiratory inflammation due to chemicals, gases, fumes and vapors, not elsewhere classified (J68.2), other acute and subacute respiratory conditions due to chemicals, gases, fumes and vapors (J68.3), chronic respiratory conditions due to chemicals, gases, fumes and vapors (J68.4), other respiratory conditions due to chemicals, gases, fumes and vapors (J68.8) and unspecified respiratory condition due to chemicals, gases, fumes and vapors (J68.9).
Code first: (T51-T65) to identify cause.
Use an additional code to identify associated respiratory conditions, such as: acute respiratory failure (J96.0-).
Common questions about nitrogen dioxide pneumonia ICD-10 codes
What is the ICD-10 code for nitrogen dioxide pneumonia?
- J68.0 — Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors.
Is J68.0 billable?
- Yes. J68.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J68.0 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J68.0 as a principal diagnosis.
Is J68.0 a CC or MCC?
- J68.0 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.