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2. ICD-10 Codes
3. Chapter - I00-I99
4. Section - I30-I5A
5. Category - I48
6. I48.9

I48.9 - Unspecified atrial fibrillation and atrial flutter

• Applicable to Unspecified atrial fibrillation and atrial flutter
• The 2025 edition of ICD10-CM I48.9 became effective on October 1, 2024.
• This is the American ICD10-CM version of I48.9 - other international versions of ICD10 I48.9 may differ.
• I48.9 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• I48.9 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

The following codes above I48.9 contain annotation back-references that may be applicable to I48.9:

• Chapter: I00-I99 - Diseases of the circulatory system
• Section: I30-I5A - Other forms of heart disease
• Category: I48 - Atrial fibrillation and flutter

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.