ICD-10 Diagnosis Code I44.4

Code Edits
The following edits are applicable to this code:
Questionable admission codes - Some diagnoses are not usually sufficient justification for admission to an acute care hospital. For example, if a patient is given code R030 for elevated blood pressure reading, without diagnosis of hypertension, then the patient would have a questionable admission, since elevated blood pressure reading is not normally sufficient justification for admission to a hospital.

Diagnostic Related Groups
The diagnosis code I44.4 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)

• 308 - CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITH MCC
• 309 - CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITH CC
• 310 - CARDIAC ARRHYTHMIA AND CONDUCTION DISORDERS WITHOUT CC/MCC

Convert to ICD-9

• 426.2 - Left bb hemiblock (Approximate Flag)

Synonyms

• Bifascicular block
• Bifascicular block on electrocardiogram
• EKG: left bundle branch block
• EKG: left bundle branch block
• EKG: right bundle branch block
• Left anterior fascicular block
• Left anterior fascicular block
• Left anterior fascicular block on electrocardiogram
• Left anterior fascicular block on electrocardiogram
• Monofascicular block
• Monofascicular block
• Right bundle branch block AND left anterior fascicular block
• Right bundle branch block and left anterior fascicular block on electrocardiogram
• Right bundle branch block with left bundle branch block

Arrhythmia

Also called: Irregular heartbeat

An arrhythmia is a problem with the rate or rhythm of your heartbeat. It means that your heart beats too quickly, too slowly, or with an irregular pattern. When the heart beats faster than normal, it is called tachycardia. When the heart beats too slowly, it is called bradycardia. The most common type of arrhythmia is atrial fibrillation, which causes an irregular and fast heart beat.

Many factors can affect your heart's rhythm, such as having had a heart attack, smoking, congenital heart defects, and stress. Some substances or medicines may also cause arrhythmias.

Symptoms of arrhythmias include

• Fast or slow heart beat
• Skipping beats
• Lightheadedness or dizziness
• Chest pain
• Shortness of breath
• Sweating

Your doctor can run tests to find out if you have an arrhythmia. Treatment to restore a normal heart rhythm may include medicines, an implantable cardioverter-defibrillator (ICD) or pacemaker, or sometimes surgery.

NIH: National Heart, Lung, and Blood Institute

• Arrhythmias (Medical Encyclopedia)
• Atrial fibrillation or flutter (Medical Encyclopedia)
• Cardiac ablation procedures (Medical Encyclopedia)
• Ectopic heartbeat (Medical Encyclopedia)
• Electrocardiogram (Medical Encyclopedia)
• Exercise stress test (Medical Encyclopedia)
• Heart palpitations (Medical Encyclopedia)
• Holter monitor (24h) (Medical Encyclopedia)
• Paroxysmal supraventricular tachycardia (PSVT) (Medical Encyclopedia)
• Ventricular tachycardia (Medical Encyclopedia)
• Wolff-Parkinson-White syndrome (Medical Encyclopedia)

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General Equivalence Map Definitions
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

• Approximate Flag - The approximate flag is on, indicating that the relationship between the code in the source system and the code in the target system is an approximate equivalent.
• No Map Flag - The no map flag indicates that a code in the source system is not linked to any code in the target system.
• Combination Flag - The combination flag indicates that more than one code in the target system is required to satisfy the full equivalent meaning of a code in the source system.

Present on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.