A Fib (Atrial Fibrillation) ICD-10-CM Codes

A Fib (Atrial Fibrillation) ICD-10-CM Codes

Dive into the 2023 guide on A Fib (Atrial Fibrillation) ICD-10-CM codes. Understand the specific codes, their clinical descriptions, and their billing implications.

By Alex King on Aug 8, 2025.

Fact Checked by Ericka Pingol.

Use Code

What ICD-10 Codes Are Used for A Fib?

Atrial Fibrillation (A Fib) is an irregular and often rapid heart rate. Here are the commonly used A Fib ICD codes:

  • I48.0: Paroxysmal atrial fibrillation
  • I48.1: Persistent atrial fibrillation
  • I48.2: Chronic atrial fibrillation
  • I48.91: Unspecified atrial fibrillation

Which A Fib ICD Codes Are Billable?

Determining which A Fib ICD codes are billable is essential for healthcare providers. Here's an overview:

  • I48.0: Yes. This code is used for paroxysmal atrial fibrillation.
  • I48.1: Yes. This code is used for persistent atrial fibrillation.
  • I48.2: Yes. This code is used for chronic atrial fibrillation.
  • I48.91: Yes. This code is used for unspecified atrial fibrillation.

Clinical Information

Atrial Fibrillation can lead to various complications if not managed properly. Here's what you need to know:

  • Symptoms may include heart palpitations, shortness of breath, and fatigue.
  • A Fib increases the risk of stroke, heart failure, and other heart-related complications.
  • Diagnosis involves electrocardiograms (ECG), Holter monitors, and event recorders.
  • Treatment options include medications, electrical cardioversion, catheter ablation, and surgical procedures.
  • Lifestyle changes and regular monitoring are crucial for managing A Fib.

Synonyms Include:

  • AFib
  • AF
  • Auricular fibrillation
  • Cardiac arrhythmia
  • Heart flutter

Commonly asked questions

A Fib is characterized by a rapid and irregular heartbeat, where the heart's upper chambers (atria) beat chaotically and out of sync with the lower chambers (ventricles). This differs from a regular, rhythmic heartbeat.

Certain factors can trigger A Fib episodes, including high blood pressure, heart valve disease, excessive alcohol or caffeine consumption, certain medications, and underlying heart defects or damage.

While A Fib isn't typically life-threatening, it can lead to severe complications such as stroke or heart failure if not managed. It's essential to seek treatment and regularly monitor the condition.

Related ICDs

EHR and practice management software

Get started for free

*No credit card required

Free

$0/usd

Unlimited clients

Telehealth

1GB of storage

Client portal text

Automated billing and online payments