ICD-10-CM I50.3: Diastolic (congestive) heart failure

ICD-10-CM Diagnosis Code (2025)

Official Description for I50.3

Diastolic (congestive) heart failure

Coding Notes & Guidelines for I50.3

Excludes1: Not Coded Here

combined systolic (congestive) and diastolic (congestive) heart failure (I50.4-)

Inclusion Terms
  • Diastolic left ventricular heart failure
  • Heart failure with normal ejection fraction
  • Heart failure with preserved ejection fraction [HFpEF]
Code Also

end stage heart failure, if applicable (I50.84)

Parent Code (Less Specific):

About ICD-10-CM Code I50.3 (Diastolic)

ICD-10-CM code I50.3 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I50.3 became effective on October 1, 2024.

This page provides detailed information about I50.3 - Diastolic (congestive) heart failure. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Diastolic.