ICD Code I48.91

ICD code I48.91 is used to identify a diagnosis of unspecified atrial fibrillation, which is a type of irregular heartbeat where the heart's upper chambers (atria) beat unpredictably and out of sync with the lower chambers (ventricles). This code is utilized when the specific type of atrial fibrillation is not detailed in the patient's medical records.

1. Irregular Heartbeat: The patient presents with an irregular and often rapid heart rate, which may be detected during a physical examination or through patient-reported symptoms.

2. Palpitations: The patient experiences sensations of a racing, uncomfortable, or irregular heartbeat, often described as a fluttering or pounding in the chest.

3. Fatigue: The patient reports persistent tiredness or a lack of energy, which may be exacerbated by physical activity.

4. Shortness of Breath: The patient experiences difficulty breathing or a sensation of breathlessness, particularly during exertion or while lying down.

5. Dizziness or Lightheadedness: The patient reports episodes of feeling faint, dizzy, or lightheaded, which may occur suddenly or intermittently.

6. Chest Pain or Discomfort: The patient experiences chest pain or discomfort, which may vary in intensity and duration, and is not necessarily related to physical exertion.

7. History of Heart Disease: The patient has a medical history that includes conditions such as hypertension, coronary artery disease, or heart valve disorders, which may predispose them to atrial fibrillation.

8. Electrocardiogram (ECG) Findings: An ECG test reveals an absence of P waves and an irregularly irregular rhythm, confirming the presence of atrial fibrillation.

9. Echocardiogram Results: An echocardiogram may show structural heart changes or abnormalities that support the diagnosis of atrial fibrillation.

10. Holter Monitor or Event Recorder Data: Continuous heart monitoring devices capture episodes of irregular heart rhythms consistent with atrial fibrillation.

11. Absence of Identifiable Cause: The atrial fibrillation cannot be attributed to a specific underlying condition or cause, leading to its classification as unspecified.

For the ICD code I48.91 (Unspecified atrial fibrillation), the relevant CPT codes that may be applicable for treatment and management include:

1. 93656 - Comprehensive electrophysiologic evaluation including insertion and repositioning of multiple electrode catheters with induction or attempted induction of arrhythmia; with atrial fibrillation ablation by pulmonary vein isolation.

2. 93657 - Additional ablation for treatment of atrial fibrillation performed during the same session as 93656.

3. 92960 - Cardioversion, elective, electrical conversion of arrhythmia; external.

4. 93000 - Electrocardiogram, routine ECG with at least 12 leads; with interpretation and report.

5. 93010 - Electrocardiogram, routine ECG with at least 12 leads; interpretation and report only.

6. 93799 - Unlisted cardiovascular service or procedure, which may be used for procedures not otherwise specified.

7. 99201-99215 - Evaluation and management codes for office or other outpatient visits, depending on the complexity and time spent.

8. 99231-99233 - Subsequent hospital care, per day, for the evaluation and management of a patient, depending on the complexity.

These CPT codes are commonly associated with the evaluation, management, and treatment of atrial fibrillation, including diagnostic and therapeutic procedures. It is important for healthcare providers to select the appropriate CPT codes based on the specific services rendered and the clinical context.

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