ICD-10 Code
International Classification of Diseases, 10th Revision
Apr 20, 2019
  ICD-10 Code for Acute systolic (congestive) heart failure I50.21

I50.21 is a valid1 ICD 10 diagnosis code.

I50.21 is valid for submission for HIPAA-covered transactions.

Chapter 9 Diseases of the circulatory system (I00-I99)
Section I30-I52 Other forms of heart disease (I30-I52)
Category I50 Heart failure

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
See also ICD 10 code for

Related Terms to “Acute systolic (congestive) heart failure”

  • Failure, failed
    • Note: heart failure stages A, B, C, and D are based on the American College of Cardiology and American Heart Association stages of heart failure, which complement and should not be confused with the New York Heart Association Classification of Heart Failu
      • systolic(congestive) (left ventricular) - I50.20
        • acute(congestive) - I50.21
See the ICD-10-CM Coding Guidelines.

Questions related to I50.21 Acute systolic (congestive) heart failure

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.