ICD-10-CM Diagnosis Code (2025)
Official Description for I49.9
Cardiac arrhythmia, unspecified
Coding Notes & Guidelines for I49.9
Inclusion Terms
Arrhythmia (cardiac) NOS
Parent Code (Less Specific):
About ICD-10-CM Code I49.9 (Cardiac arrhythmia)
ICD-10-CM code I49.9 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 I49.9 became effective on October 1, 2024.
This page provides detailed information about I49.9 - Cardiac arrhythmia, 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 Cardiac arrhythmia related to unspecified.