2021 ICD-10-CM Code I48.19 - Other persistent atrial fibrillation

Valid for Submission

I48.19 is a billable diagnosis code used to specify a medical diagnosis of other persistent atrial fibrillation. The code I48.19 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.

The ICD-10-CM code I48.19 might also be used to specify conditions or terms like persistent atrial fibrillation.

The code I48.19 is linked to some Quality Measures as part of Medicare's Quality Payment Program (QPP). When this code is used as part of a patient's medical record the following Quality Measures might apply: Atrial Fibrillation And Atrial Flutter: Chronic Anticoagulation Therapy.

Code Classification

Diseases of the circulatory system (I00–I99)
- Other forms of heart disease (I30-I52)
  - Atrial fibrillation and flutter (I48)

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code I48.19:

Inclusion Terms

Chronic persistent atrial fibrillation
Persistent atrial fibrillation, NOS

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code I48.19 are found in the index:

- Fibrillation
- - atrial or auricular (established) - I48.91
  - - chronic - I48.20
    - - persistent - I48.19
  - - persistent (chronic) (NOS) (other) - I48.19

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Persistent atrial fibrillation

Clinical Information

ATRIAL FIBRILLATION-. abnormal cardiac rhythm that is characterized by rapid uncoordinated firing of electrical impulses in the upper chambers of the heart heart atria. in such case blood cannot be effectively pumped into the lower chambers of the heart heart ventricles. it is caused by abnormal impulse generation.

Diagnostic Related Groups - MS-DRG Mapping

The ICD-10 code I48.19 is grouped in the following groups for version MS-DRG V38.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2020 through 09/30/2021.

308 - CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITH MCC - Relative Weight: 1.1993
309 - CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITH CC - Relative Weight: 0.7494
310 - CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITHOUT CC/MCC - Relative Weight: 0.5584

Replacement Code

I4819 replaces the following previously assigned ICD-10 code(s):

I48.1 - Persistent atrial fibrillation

Quality Payment Program Measures

When code I48.19 is part of the patient's diagnoses the following Quality Measures apply and affect reimbursement. The objective of Medicare's Quality Measures is to improve patient care by making it more: effective, safe, efficient, patient-centered and equitable.

Quality Measure	Description	Quality Domain	Measure Type	High Priority	Submission Methods
Atrial Fibrillation and Atrial Flutter: Chronic Anticoagulation Therapy	Percentage of patients aged 18 years and older with nonvalvular atrial fibrillation (AF) or atrial flutter who were prescribed warfarin OR another FDA-approved oral anticoagulant drug for the prevention of thromboembolism during the measurement period.	Effective Clinical Care	Process	NO	Claims, Registry

Code History

FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

ICD-10:	I48.19
Short Description:	Other persistent atrial fibrillation
Long Description:	Other persistent atrial fibrillation