I50.1 vs J81
I50.1 and J81 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 I50.1
edema of lung without heart disease or heart failure (J81.-)
I50.1
Left ventricular failure, unspecified
BillableUnspecified
- Chapter 9
- Diseases of the circulatory system
- Section
- I30-I5A
Use when the record says
- Cardiac asthma
- Edema of lung with heart disease NOS
- Edema of lung with heart failure
- Left heart failure
- Pulmonary edema with heart disease NOS
- Pulmonary edema with heart failure
Indexed under
- Asthma, asthmatic › cardiobronchial (bronchial) (catarrh) (spasmodic)
- Asthma, asthmatic › heart (bronchial) (catarrh) (spasmodic)
- Asthma, asthmatic › Rostan's (bronchial) (catarrh) (spasmodic)
- Stone › heart syndrome (s)
- Syndrome › cardiac asthma
These two codes sit in different chapters of the Tabular List, which is usually the clearest signal that they describe different underlying processes rather than different degrees of the same one.
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