J68.1 vs J68.4
J68.1 and J68.4 can never be reported together. ICD-10-CM declares them mutually exclusive with an Excludes1 note, meaning the two conditions cannot occur in the same patient — so exactly one of them is correct for any given encounter.
The official note, declared on J68.4
chronic pulmonary edema due to chemicals, gases, fumes and vapors (J68.1)
J68.1
Pulmonary edema due to chemicals, gases, fumes and vapors
Billable
- Chapter 10
- Diseases of the respiratory system
- Section
- J60-J70
Use when the record says
- Chemical pulmonary edema (acute) (chronic)
Indexed under
- Silo-fillers' disease › pulmonary edema
- Disease, diseased › silo-filler's › pulmonary edema
- Edema, edematous › lung › chemical (infectious) (pitting) (toxic)
- Edema, edematous › lung › chemical › chronic (infectious) (pitting) (toxic)
- Edema, edematous › lung › due to › chemicals, fumes or vapors (infectious) (pitting) (toxic)
J68.4
Chronic respiratory conditions due to chemicals, gases, fumes and vapors
Billable
- Chapter 10
- Diseases of the respiratory system
- Section
- J60-J70
Indexed under
- Bronchiolitis › chemical (acute) (infective) (subacute)
- Bronchitis › chemical › chronic (diffuse) (fibrinous) (hypostatic) (infective) (membranous)
- Bronchitis › chemical › due to fumes or vapors (diffuse) (fibrinous) (hypostatic) (infective) (membranous)
- Bronchitis › chronic › chemical (diffuse) (fibrinous) (hypostatic) (infective) (membranous)
- Bronchitis › chemical › due to fumes or vapors › chronic (diffuse) (fibrinous) (hypostatic) (infective) (membranous)
Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027