afib icd 10

(2022) How To Code AFIB ICD 10 – List With Codes & Guidelines

AFIB ICD 10 coding guidelines are made simple with our helpful tips. The following article will help you in deciding how to code AFIB ICD 10 and other related codes.

What Is AFIB?

Atrial fibrillation is the most common irregular cardiac rhythm in the atria (AF or AFIB). Electrical rhythms in the atria are not guided by the SA node (sinus node) but rather by multiple separate impulses that fire simultaneously. The electrical impulses are too fast and chaotic to allow the atria to contract and compress blood into the ventricle. Initially, atrial contraction occurs, followed by a ventricular contraction in a normal heartbeat (the ventricles).

These contractions cause the blood to flow. When you have AFIB, the electrical impulses that control this process are out of balance. Instead of working together, the atria act independently. Atrial fibrillation (AFIB), a kind of arrhythmia, has been linked to the formation of blood clots in the heart (an abnormally rapid and irregular heartbeat). A-fib raises the likelihood of having a stroke, having heart failure, or having other heart-related problems.

The chest may flutter or tremble during your heartbeats, and you may be aware of this. Your heart may beat quicker than average under certain circumstances. The sensation usually lasts no more than a few minutes at the most.

Figure 1. An ECG image of AFIB

How To Code AFIB ICD 10 & ICD 11

Below are the AFIB ICD 10 & 11 codes, including related codes:


  • I48 Atrial fibrillation and flutter
  • I48.0 Paroxysmal atrial fibrillation
  • I48.1 Persistent atrial fibrillation
  • 148.11 Long-term, persistent atrial fibrillation
  • I48.2 Chronic atrial fibrillation
  • 148.20 Recurrent Atrial fibrillation
  • I48.3 Atypical atrial flutter (Type 1 atrial flutter)
  • 148.4 Atypical atrial flutter (Type 2 atrial flutter)
  • I48.9 Atrial fibrillation with atrial flutter unspecified


  • BC81.3 Atrial Fibrilation
  • BC81.30 Paroxysmal atrial fibrillation
  • BC81.31 Persistent atrial fibrillation
  • BC81.32 Permanent atrial fibrillation
  • BC81.33 Preexisting atrial fibrillation
  • BC81.3Y Other specified atrial fibrillation
  • BC81.3Z Atrial fibrillation unspecified

AFIB ICD 10 Code

AFIB ICD 10 code is I48.0.

In 2022, the ICD 10 CCs (complications/comorbidities) list was expanded to include chronic, permanent, persistent, and long-term permanent AF. A confirmed diagnosis of persistent atrial fibrillation in an inpatient setting is necessary. I48 is the ICD 10 code for atrial fibrillation and flutter. It is under the “other kinds of cardiac disease” section, with the codes I30-I52.

What is Atrial Fibrillation – CDC

ICD 10 AFIB Unspecified

The ICD 10 AFIB Unspecified code is I48.91.

The World Health Organization (WHO) classified an unspecified form of atrial fibrillation affecting the circulatory system. The WHO recognizes the ICD 10 code for I48.91 as an illness affecting the circulatory system.

AFIB ICD 11 Code

BC81.30 is the AFIB ICD 11 code of Paroxysmal atrial fibrillation. 

Paroxysmal atrial fibrillation occurs periodically. PAF is the most prevalent kind of atrial fibrillation since it may last for many hours or even several days at a time without resolving itself. As a worldwide health classification tool that can be used across nations and languages, the ICD 11 classifies recognized human diseases, medical ailments, and mental health problems. In addition, it is used for insurance coding statistical monitoring of illnesses.

History Of AFIB ICD 10

Willem Einthoven published an atrial fibrillation ECG in 1906. The relationship between absolute arrhythmia and atrial fibrillation was first recognized in 1909 by two Viennese physicians, Carl Julius Rothberger and Heinrich Winterberg. There have been ten-year intervals in the past when updates were made. 1992 saw the completion of the first phase of the ICD 10. For its annual review method, the ICD 10 CM was developed in 1992. ICD 10’s code set has risen from 17,000 to more than 155,000, making it far more granular than ICD 9.

American Public Health Association advocated in 1898 that the system should be changed every ten years for Canada, Mexico, and America. Jacques Bertillon devised the Bertillon Classification of Causes of Death, a French statistician and demographer. World Health Organization produced the ICD 10 codes. The WHO granted a license to create and maintain ICD 10 codes. World Health Assembly adopted ICD 11 in 2019, and it will come into force on January 1, 2022. Numerous changes and modifications to ICD 10 in the ICD 11 reflect current clinical needs, ensure long-term data comparability, and provide standardized solutions for the digital era in which we all live. The ICD 11 integrates these changes and adaptations.

icd 10 code for afib

Intermittent AFIB ICD 10

Intermittent Atrial fibrillation ICD 10 code I48.0 is categorized as a circulatory system disorder, a medical condition.

Paroxysmal atrial fibrillation is characterized by a high, irregular heartbeat that begins suddenly and diminishes within seven days. Only a few hours are needed to term it “intermittent AFIB.” According to the American Heart Association, AFIB affects an estimated 2.7 million Americans. In Intermittent AFIB, you may experience a flutter or tremor in your chest during your heartbeats. The heart may be beating faster than usual. Anxiety diminishes typically after a short time.

Acute AFIB ICD 10

The acute AFIB ICD 10 code is I48.

As the name suggests, atrial fibrillation that occurs during the first 48 hours of life is acute. Whether it is acute or recurrent, atrial fibrillation and episodes of paroxysmal atrial fibrillation are all investigated. Diltiazem [Cardizem] or beta-blockers are the best short-term options for regulating the ventricular rate (e.g., esmolol). In addition, electrical cardioversion should be explored for hemodynamically unstable patients with atrial fibrillation.

AFIB With Bradycardia ICD 10

The AFIB with Bradycardia ICD 10 code is R00.1.

Tachy-Brady syndrome, or tachycardia-bradycardia syndrome, occurs when the heart beats excessively fast (tachycardia) and too slowly. Atrial fibrillation patients have a higher risk of experiencing ventricular tachycardia. A permanent pacemaker may be used to treat symptomatic bradycardia in patients with atrial fibrillation (AF). It may be possible to reduce mortality and healthcare costs by identifying those who have a greater propensity to develop symptoms of bradycardia. Too little oxygen-rich blood is delivered to the body when the heart beats too slowly, resulting in death. If this happens, you may experience dizziness, exhaustion, and shortness of breath.

In most cases, bradycardia in healthy, well-trained athletes does not need to be treated. Unless they are experiencing symptoms that a slow heartbeat can only explain, most individuals do not need to be treated for bradycardia.

ICD 10 Code For AFIB With Flutter

The ICD 10 code for AFIB with flutter is I48.4.

Atrial flutter and atrial fibrillation are both possible symptoms. Persons with atrial flutter can go unnoticed for long periods. Stroke, heart failure, and other complications might result from this illness. Irregular heartbeats characterise atrial fibrillation. Atrial flutter is a condition that happens when the atria beats at a faster and more frequent rate than the ventricles, causing the heart to twitch as a result. As a result, there may be four atrial pulses for every ventricular pulse.

The symptoms of atrial flutter are similar to ventricular tachycardia; however atrial flutter is a less common kind of heart rhythm disorder (feeling faint, tiredness, palpitations, shortness of breath, or dizziness). Only a small number of persons have any symptoms, but the vast majority do not. A third of people who have atrial flutter also have a disease known as atrial fibrillation, which is a heart rhythm disorder. The World Health Organization (WHO) classifies atypical atrial flutter as a circulatory disorder with ICD 10 number I48.4.

list of icd 10 codes for afib

Non Valvular AFIB ICD 10

The non valvular AFIB ICD 10 code is I48.

“Non valvular A-fib” was initially used to define a specific form of aberrant cardiac rhythm. A heart valve disorder does not cause this kind of atrial fibrillation. In addition, hypertension and an overactive thyroid gland are to fault. There is no mechanical heart valve or blockage of this kind, which develops in the heart’s upper chambers. The 2022 revision of ICD 10 code for Non Valvular AFIB is I48

Recurrent AFIB ICD 10

The Recurrent AFIB ICD 10 code is I48.20

A rapid or irregular heartbeat is the feature of atrial fibrillation (AFib). Recurrent AFib is one of the most common forms of AFib. For more than seven days, you have recurrent AFib symptoms, and your heart’s rhythm can no longer control itself. Recurrent Afib is a temporarily progressive atrial fibrillation (AFib). Consequently, many people with AFib begin with intermittent or paroxysmal symptoms. If the condition is not addressed, it may become acute or permanent. Recurrent ventricular fibrillation (permanent AFib) is defined as a condition that remains even after treatment and regular monitoring. However, recurrent AFib can be controlled, making it dangerous.

What Is Transient AFIB?

Atrial fibrillation (AF) is a frequent side effect of a recent acute myocardial infarction (AMI). It is common for AF to be blamed on acute hemodynamic changes, inflammation, or ischemia in the AMI setting. However, the relationship between transient AF events and an increased risk of ischemic stroke in the future remains unclear. A kind of AFib known as paroxysmal AFib occurs very sometimes and usually resolves by itself.

It is possible that there is a brief pause before the heart returns to its regular sinus rhythm, which may be seconds, minutes, hours, or even days. The risk of future ischemic stroke and transient ischemic attack is elevated in patients treated alone with antiplatelet medications after experiencing transient AF worsening AMI. Because of the high recurrence rates, oral anticoagulants should be thoroughly studied in patients with recurrent AF.

Transient AFIB ICD 10

The transient AFIB ICD 10 code is I48.0.

Transient Afib is a kind of AFib that arises from time to time, although it usually subsides independently. When an episode ends, the heart returns to its regular sinus rhythm—the heart’s natural beat—for a brief period. Some people can have brief episodes of AFib. Chronic AFib, on the other hand, is when the issue persists indefinitely.

afib with rvr icd 10

What Is AFIB With Slow Ventricular Response?

The medical literature has established a connection between Sick Sinus Syndrome (SSS) and atrial fibrillation since the 1960s (AF). There are various names for “slow AF,” but “slow” is the most often heard and understood. However, while there is no consensus on slow ventricular response, it may be defined as having a slow resting heart rate.

Cardiac pauses may result in neurological symptoms such as presyncope and syncope, while a low heart rate can result in asthenia, fatigue, and dyspnea, among other things. Hypothermia, digoxin overdose, and other medications may result in a “slow” ventricular rhythm. Lowering one’s heart rate is accomplished by using drugs that influence the AV node. The most often given drug classes are beta-blockers and calcium channel blockers. In addition, chronic atrial fibrillation sufferers are often put on regular doses of suppressive medication.

AFIB With Slow Ventricular Response ICD 10

The AFIB with slow ventricular response ICD 10 code is I48.91.

Using the ICD 10 code I48.91, you may identify a diagnosis that is eligible for reimbursement. For example, AFib with slow ventricular response ICD 10 code is 148.91. On October 1, 2021, the ICD 10 I48.91 2022 version went into effect.

What Is AFIB Ablation?

Ablation is a treatment for atrial fibrillation. If you have ever had an erratic heartbeat, you have probably heard of a procedure known as ventricular fibrillation (VF). VF may help the heart have a steady rhythm.

For each chamber of the heart, there are four lobes. Atrial and ventricle chambers make up the heart’s four atria, or upper and lower chambers, respectively. A specific group of cells usually sends the signal to begin your heartbeat. These cells may be discovered in the heart’s upper right atrial sinoatrial (SA) node. However, during a condition known as atrial fibrillation, this signal does not originate in the sinoatrial node, as it should.

Instead, signals are routed and begin somewhere else, activating just little portions of each of the lungs’ two upper chambers at one time. Blood cannot get to the ventricles because the atria can contract correctly. This causes the atria to “fibrillate” or tremble. In addition, there is a problem with the signal that gets to the ventricles, which causes them to contract sporadically and quicker than they are supposed to. Ventricles may not be pumping enough blood into the body because their contractions are no longer in rhythm with the atria.

Catheters (thin hollow tubes) may be inserted into a groin artery and threaded up to the heart, enabling ablation access to the heart’s interior. The doctor then uses the catheters to create tiny burns or freezes on a small portion of the heart. During the burning process, radiation known as radiofrequency energy scars the tissue. Methods like cryoablation are used during the freezing procedure. As a result of the scarring, atrial fibrillation cannot occur due to abnormal electrical impulses sent from the heart to the brain.

history of AFIB ICD 10

AFIB Ablation ICD 10

The AFIB Ablation ICD 10 code is 148.91.

If the patient has had an ablation for paroxysmal or persistent atrial fibrillation, it will be under code 148.91 now that the patient is in sinus rhythm. If the condition is no longer present or therapy is required, the follow-up code Z09 would be used. Aftercare codes should be used if the condition has improved, but further treatment is still necessary.

What Is Uncontrolled AFIB?

People who suffer from A-fib are often asymptomatic. There is an irregular and erratic pattern to the heart’s upper chambers’ beating during atrial fibrillation (the ventricles). In contrast, palpitations (a fast, hammering heartbeat), shortness of breath, and weakness may be symptoms of an afib. It is called “uncontrolled AFIB” when the slope is negative, indicating that a drop in the ventricular rate has increased cardiac output.

Even because AFIB episodes seldom endanger life, they should be thoroughly evaluated. People should seek immediate medical attention if they feel unwell or their heart is racing. There are various ways physicians may help their heart return to a normal rhythm, including medication or a cardioverter. Individuals with ventricular rates between 90 and 140 beats per minute were controlled, while those with more than 140 beats per minute were unable to be controlled.

Uncontrolled AFIB ICD 10

The uncontrolled AFIB ICD 10 code is 148.20.

Any patient who has symptoms of Fluttering, racing, or throbbing heartbeat sensations (palpitations), Dizziness, Fatigue, Lightheadedness, Exercise capacity is reduced, Breathlessness and Weakness should categorize under the code 148.20.

list of afib icd 11 codes

What Is Post Op AFIB?

Postoperative atrial fibrillation, abbreviated as POAF, new-onset atrial fibrillation as AF immediately after surgery, is the most prevalent form of secondary atrial fibrillation (SAF) (AF resulting from an identifiable, primary acute condition). POAF, its self-limiting nature, and the fact that most patients with new-onset POAF recover and are released from the hospital have been linked to an elevated risk of stroke and death in perioperative patients by several researchers.

PAF may be treated with various approaches, including rhythm control, heart rate regulation, and antithrombotic therapy. Amiodarone, a beta-blocker, may help control the heart rate. According to the American Heart Association, cardioversion, a procedure that adjusts the heart’s rhythm, may be advantageous for individuals who have unstable hemodynamics. It may be possible to lower the incidence of postoperative atrial fibrillation by pharmacologic prophylaxis such as amiodarone, beta-blockers, or statins after noncardiac surgery. There is a low risk of short-term adverse effects using amiodarone with statins.

Post Op AFIB ICD 10

The post op AFIB ICD 10 code is I97.89.

Circulatory system abnormalities that have not been previously documented are another post-procedural side effect. Again, it is possible to indicate a diagnosis using the ICD-10-code I97.89 specifically.

What Is Permanent Afib?

 “Permanent AF is used when both the patient and the practitioner have decided to discontinue trying to restore and maintain sinus rhythm.”Normal heart rhythm cannot be maintained forever in permanent AFib.AF is a chronic condition that worsens with time. What starts as paroxysmal or persistent AF could evolve to long-term persistent or permanent AF. AFib, if left untreated, may put you at risk for heart attacks, strokes, and heart failure, all of which may shorten your life expectancy.

The good news is that, while Permanent AF is a long-term condition, it may be handled so that the patient can enjoy a long and active life. You may do a range of activities to manage your health, minimize your chance of stroke, and soothe any worries you may have. On the other hand, treatments and lifestyle adjustments may help you prevent these illnesses and manage your risks.

There is no recognized cure for AFib. Contrary to popular belief, medication and a change in one’s way of life may often be beneficial. AFib is typically believed to be a long-term condition that progresses. The longer it goes on, the more difficult it may be to control.

Permanent Afib ICD 10

Permanent AFib ICD 10 is coded as I48.21.

Unwavering commitment. Permanent Afib cannot be remedied by treatment. Long-term medication may be necessary to keep your heart rate under control and lower the risk of a stroke in those with this condition. Patients with A-fib symptoms may benefit from cardioversion or pharmaceutical treatment to help them regain and maintain a normal heart rhythm. This kind of atrial fibrillation lasts for more than a year and is unabrupt in its occurrence. Using electrical cardioversion may be ineffective in stopping AFib. Doctors may use ablation (burning certain parts of your heart’s electrical circuitry) to restore your regular heart rhythm. 

Permanent Afib ICD 11 Code

Permanent Afib ICD 11 is coded as BC81.32.

This is a term for persons with permanent atrial fibrillation (AF) who have either given up on trying to treat their condition with a rhythm management approach or whose attempts at cardioversion have failed. Another term for it is chronic Afib.

How To Code Rapid Afib ICD 10 & 11

The following guidelines will help you decide how to code Rapid Afib for ICD 10 & 11.

What Is Rapid Afib?

Afib with RVR is the medical term for atrial fibrillation accompanied by a rapid ventricular reaction. It is called atrial fibrillation, with a rapid ventricular response when the heart beats irregularly and rapidly at the same time. When your heart’s electrical impulses are not working correctly, you may have a fast heartbeat. An erratic heartbeat is known as atrial fibrillation or AFib. In most people, the atria, the heart’s two upper chambers, are the source of erroneous signals.

AFib with RVR is associated with rapid or fluttering heartbeats. An example of a problem is atrial fibrillation accompanied by a fast ventricular response. Ventricles, the lowest chambers of your heart, may also beat excessively rapidly due to incorrectly sent electrical impulses. Symptoms include chest pain, loss of breath, confusion, and passing out. It may have severe repercussions and demands medical treatment. RVR may be diagnosed and confirmed by your doctor.

Rapid Afib ICD 10

Rapid Afib is coded as I48.91

Fast or fluttering heartbeats are signs and symptoms of AFib with RVR. Symptoms include chest pain, loss of breath, confusion, and passing out. RVR may be diagnosed and confirmed by your doctor. It may have severe repercussions and demands medical treatment. AFib episodes are not life-threatening in most cases, but they should be explored. If they are in pain or their heart is racing, call 911 or go to the hospital immediately.

Doctors may use medications or a cardioverter device to help the patient’s heart return to a normal rhythm. Beta-blockers and calcium channel blockers are the first-line drugs for rate control in AF. Oral or intravenous administration is an option for these drugs. Whether you are resting or working out, they will help you stay in peak physical condition. If the ventricular response to diltiazem or metoprolol is quick, intravenous administration is frequently used.

ICD 10 Code For Afib With Rapid Ventricular Rate

The ICD 10 code For Afib With Rapid Ventricular Rate is I48.0.

A condition in which the heartbeat is unpredictable and irregular is known as atrial fibrillation with a fast ventricular response. A rapid heartbeat may occur when the electrical impulses in your heart are not functioning correctly. Doctors refer to this abnormal heartbeat as “atrial fibrillation” or “AFib.” The atria, the heart’s two upper chambers, are where most people’s false signals originate. Ventricles, your heart’s bottom chambers, may also overwork themselves due to incorrect impulses. AFib with a quick ventricular response is a distinct kind of condition.

Rapid Afib ICD 11 Code

Rapid Afib ICD 11 is coded as BC81.30.

An irregular cardiac rhythm or high heart rate from a recent physical exam should be documented in your medical record. There can be only one code allocated to each kind of AF. As a precaution, the kind of fast AF should be reported consistently throughout the comment to avoid ambiguous codes.

How To Code Afib On Eliquis ICD 10 & 11

This chapter will help you determine how to code Afib On Eliquis ICD 10 & 11 with simple descriptions and guidelines.

What Is ICD 10 Afib On Eliquis?

Eliquis is the third oral anticoagulant to be approved in the recent few years, and it is intended to help people with nonvalvular atrial fibrillation lower their risk of stroke and systemic emboli. Eliquis has been demonstrated to lower the risk of stroke and heart attack in people suffering from atherosclerotic cardiovascular disease (atherosclerosis).

Atherosclerotic cardiovascular disease individuals who take anticoagulants such as Coumadin or Pravachol have been found to have a reduced risk of stroke and heart attack. Monitoring is not necessary with Eliquis. When apixaban is compared to aspirin, the risk of bleeding decreases, but the risk of mild bleeding is somewhat higher.

The risk of thrombotic events in patients who quit using Apixaban rises sharply. If a patient is unable to continue treatment due to significant bleeding, they should be given an alternative anticoagulant drug. Stroke risk will be reduced as a result of this. Antiplatelet medications, fibrinolytic, and long-term nonsteroidal increase bleeding risk when using Eliquis. If you are pregnant or breastfeeding, you should not use this medication.

ICD 10 Code For Afib On Eliquis

The ICD 10 Code For Afib On Eliquis is I48.2.

The risk of stroke and other complications due to blood clots may be drastically reduced in people with atrial fibrillation by taking anticoagulant medications, often known as blood thinners. By delaying blood clotting, anticoagulants make it harder for clots to form and prevent existing clots from growing. Stroke prevention in high-risk individuals with nonvalvular atrial fibrillation is at least as successful with apixaban as with aspirin or warfarin, particularly for those who cannot or do not want to take warfarin.

ICD 11 Code For Afib On Eliquis

The ICD 11 code for AFib on Eliquis does not exist.

How To Code Afib With Pacemaker

This chapter will show you how to code Afib With Pacemaker for ICD 10 & 11.

What Is Afib With Pacemaker?

Having atrial fibrillation (AFib) indicates that your heart’s electrical impulses are faulty. Your heart’s four chambers get out of sync as it pumps blood. Replacement electrical pulses are sent out, ensuring that your heartbeat is in sync with the rest of your body. Prescription drugs or medical therapy may be used by your doctor to help your heartbeat properly or slow down an abnormally quick pulse.

If you have AFib and your heart is beating too slowly, your doctor may recommend a pacemaker in addition to other therapies. A pacemaker may be necessary if you have AFib and congestive heart failure. You may also benefit from a pacemaker if you have AFib and have one installed to help with your slow heart rate or congestive heart failure and other ways are:

  • Your doctor may learn more about your heart’s health if you have a medical procedure or switch drugs.
  • If you have AFib symptoms, it may assist.
  • If a pacemaker can prevent the recurrence of AFib, it might be an effective treatment option.

ICD 10 Afib With Pacemaker

If medicine hasn’t been able to keep your atrial fibrillation under control, your doctor may look at other treatment options with you together. A pacemaker may be recommended if you suffer from sick sinus syndrome (also known as tachycardia-bradycardia syndrome). Battery-operated and small, a pacemaker is a medical device that regulates the regularity of your heartbeat.

The pacemaker’s job is to keep tabs on your heartbeat and provide electrical signals to the muscle cells that pump blood through the body. An implantable pacemaker will be placed near your heart beneath your skin once you and your doctor have agreed that it is the best option for you.

A pacemaker does not treat atrial fibrillation, so ICD 10 Afib with a pacemaker does not exist.

ICD 11 Afib With Pacemaker

A pacemaker does not treat atrial fibrillation, so ICD 11 Afib with a pacemaker does not exist.

For other related codes for AFIB ICD 10 & 11 please follow the links below:

ICD 10

ICD 11

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