ICD-10-CM 2027
ICD-10 code for chemical pneumonitis
Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors
From the official ICD-10-CM alphabetic index entry “Pneumonitis (acute) (primary) › chemical (due to gases, fumes or vapors) (inhalation)”. Page updated September 29, 2026.
About coding chemical pneumonitis
The ICD-10-CM code for chemical pneumonitis is J68.0 (Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on J68.0.
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-).
More specific chemical pneumonitis codes (official index)
- due to anesthesia J95.4 — Chemical pneumonitis due to anesthesia
Common questions about chemical pneumonitis ICD-10 codes
What is the ICD-10 code for chemical pneumonitis?
- J68.0 — Bronchitis and pneumonitis due to chemicals, gases, fumes and vapors. More specific codes apply when the documentation supports them: J95.4.
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.