I50.1 Left ventricular failure, unspecified

Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

Also covers

• 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

Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

• edema of lung without heart disease or heart failure (J81.-)
• pulmonary edema without heart disease or failure (J81.-)

Excludes2

Not part of this code, but both can be coded when both are documented.

• cardiac arrest (I46.-)
• neonatal cardiac failure (P29.0)

Code first

Code the underlying condition first, then this code.

• heart failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)
• heart failure due to hypertension (I11.0)
• heart failure due to hypertension with chronic kidney disease (I13.-)
• heart failure following surgery (I97.13-)
• obstetric surgery and procedures (O75.4)
• rheumatic heart failure (I09.81)