ICD-10-CM I40.9: Acute myocarditis, unspecified

Parent Code (Less Specific):

About ICD-10-CM Code I40.9 (Acute myocarditis)

ICD-10-CM code I40.9 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 I40.9 became effective on October 1, 2024.

This page provides detailed information about I40.9 - Acute myocarditis, unspecified. 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 Acute myocarditis related to unspecified.