Access the complete ICD-10-CM diagnosis database for accurate medical coding and clinical documentation. Find comprehensive information on diagnosis codes, descriptions, and guidelines for healthcare professionals. Search ICD-10 codes, lookup medical diagnoses, and ensure compliant billing with our up-to-date ICD-10 code set. Improve healthcare documentation and optimize medical coding workflows with this essential resource.
Also known as
External causes of morbidity
Codes for accidents, assaults, and other external causes of injury.
Accidental falls
Classifies falls from different heights, on different surfaces, and other specifics.
Sequelae of external causes
Codes for the long-term effects or complications due to past injuries.
Follow this step-by-step guide to choose the correct ICD-10 code.
Is the diagnosis related to a circulatory system disease?
Yes
Is it heart failure?
No
Is it related to the respiratory system?
When to use each related code
| Description |
|---|
| Essential hypertension |
| Hypertensive heart disease |
| Hypertensive kidney disease |
Overuse of unspecified ICD-10-CM codes leads to lower reimbursement and inaccurate data representation impacting quality reporting.
Incomplete or ambiguous physician documentation makes accurate code assignment difficult increasing compliance risks and rejected claims.
Incorrectly coding multiple procedures separately or using a higherpaying code than justified leads to potential fraud and audit penalties.
**Diagnosis: I48.91 Atrial fibrillation, unspecified, paroxysmal** Patient presents with episodic palpitations, described as a rapid, irregular heartbeat. Symptoms are intermittent and self-resolving, consistent with paroxysmal atrial fibrillation. Onset of palpitations is sudden and unpredictable, lasting from a few minutes to several hours. Patient denies chest pain, but reports mild shortness of breath and lightheadedness during episodes. Electrocardiogram (ECG) performed during a symptomatic episode reveals atrial fibrillation with rapid ventricular response. Between episodes, ECG shows normal sinus rhythm. Differential diagnosis includes other supraventricular tachycardias. Assessment includes review of cardiac risk factors such as hypertension, diabetes, and family history of arrhythmia. Treatment plan includes rate control with beta-blockers and anticoagulation therapy to mitigate stroke risk based on CHA2DS2-VASc score. Patient education provided regarding medication management, lifestyle modifications including diet and exercise, and symptoms to watch for, such as worsening shortness of breath or signs of stroke. Follow-up scheduled for ECG monitoring and assessment of treatment efficacy. Medical coding for this encounter includes ICD-10-CM code I48.91 for paroxysmal atrial fibrillation, unspecified. Further evaluation may be considered to determine underlying etiology and guide long-term management of atrial fibrillation.