I49.1 – Atrial premature depolarization
ICD-10-CM 2027 diagnosis code · Other forms of heart disease
ICD-10-CM code
I49.1
- Code
I49.1(claims format:I491)- Description
- Atrial premature depolarization
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I30-I5A Other forms of heart disease
- Parent codes
- I49
Notes for I49.1
Applicable to:
- Atrial premature beats
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
I49 – Other cardiac arrhythmias
Excludes2 (not included here):
Index terms for I49.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Extrasystoles, atrial
- Beat, atrial, premature
- Beat, premature, atrial
- Extrasystoles, auricular
- Premature, beats, atrial
- Beat, premature, auricular
- Premature, beats, auricular
- Contraction, premature, atrium
- Ectopic, ectopia, atrial beats
- Premature, contraction, atrial
- Ectopic, ectopia, beats, atrial
- Beat, premature, supraventricular
- Depolarization, premature, atrial
- Premature, contraction, auricular
- Premature, beats, supraventricular
- Contraction, premature, supraventricular
Related codes in I49
- I49.0 – Ventricular fibrillation and flutterHeader
- I49.2 – Junctional premature depolarizationBillable
- I49.3 – Ventricular premature depolarizationBillable
- I49.4 – Other and unspecified premature depolarizationHeader
- I49.5 – Sick sinus syndromeBillable
- I49.8 – Other specified cardiac arrhythmiasHeader
- I49.9 – Cardiac arrhythmia, unspecifiedBillable
Frequently asked questions
What is ICD-10 code I49.1?
I49.1 is the ICD-10-CM code for atrial premature depolarization, in the block I30-I5A (Other forms of heart disease).
Is I49.1 a billable code?
Yes. I49.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I49.1 belong to?
It belongs to category I49 – Other cardiac arrhythmias.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.