2025 ICD-10-CM Diagnosis Code I50.1

Left ventricular failure, unspecified

• I50.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2025 edition of ICD-10-CM I50.1 became effective on October 1, 2024.
• This is the American ICD-10-CM version of I50.1 – other international versions of ICD-10 I50.1 may differ.

Applicable To

• 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

Type 1 Excludes

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

The following code(s) above I50.1 contain annotation back-references

 that may be applicable to I50.1:

• I00-I99 Diseases of the circulatory system
• I50  Heart failure

Approximate Synonyms

• Acute left sided congestive heart failure (chf)
• Acute left-sided congestive heart failure
• Chronic left sided congestive heart failure (chf)
• Chronic left-sided congestive heart failure
• Congestive heart failure (chf) left ventricle
• Congestive heart failure due to left ventricular systolic dysfunction
• Left heart failure

Clinical Information

• Failure of adequate output by the left ventricle despite an increase in distending pressure and in end-diastolic volume, with dyspnea, orthopnea, and other signs and symptoms of pulmonary congestion and edema.
• Heart failure involving the left ventricle.

ICD-10-CM I50.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 291 Heart failure and shock with mcc
• 292 Heart failure and shock with cc
• 293 Heart failure and shock without cc/mcc
• 791 Prematurity with major problems
• 793 Full term neonate with major problems

Convert I50.1 to ICD-9-CMCode History

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): Revised code
  • New description: Left ventricular failure, unspecified
  • 2017 description: Left ventricular failure
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change
• 2024 (effective 10/1/2023): No change
• 2025 (effective 10/1/2024): No change

Code annotations containing back-references to I50.1:

• Type 1 Excludes: J81, J81

Diagnosis Index entries containing back-references to I50.1:

• Asthma, asthmatic (bronchial) (catarrh) (spasmodic) J45.909
  • cardiobronchial I50.1
  • heart I50.1
  • Rostan’s I50.1
• Disease, diseased – see also Syndrome
  • heart (organic) I51.9
    • with
      • pulmonary edema I50.1 (acute) – see also Failure, ventricular, left
• Edema, edematous (infectious) (pitting) (toxic) R60.9
  • lungJ81.1
    • meaning failure, left ventricle I50.1
• Failure, failed
  • ventricularI50.9 – see also Failure, heart
    • left I50.1 – see also Failure, heart, left
• Stone(s) – see also Calculus
  • heart syndrome I50.1
• Syndrome – see also Disease
  • cardiac asthma I50.1
  • Ridley’s I50.1
  • stone heart I50.1