ICD Vs CRT-D: Understanding The Differences In Cardiac Devices

What is ICD vs CRT-D?

Implantable Cardioverter Defibrillators (ICDs) and Cardiac Resynchronization Therapy Defibrillators (CRT-Ds) are both devices used to treat heart conditions such as ventricular arrhythmias and heart failure. While they serve similar purposes, there are some key differences between the two.

Code Information

What is the difference between CRT-P and CRT-D? Intro
What is the difference between CRT-P and CRT-D? Intro

The ICD-10 code for ICD vs CRT-D is I45.81. This code is used to indicate the presence of an implantable cardioverter defibrillator or cardiac resynchronization therapy defibrillator in a patient.

Diagnostic Related Groups (MS-DRG)

Frontiers  Devices in Heart Failure Patients—Who Benefits From
Frontiers Devices in Heart Failure Patients—Who Benefits From

The diagnosis related group (MS-DRG) for ICD vs CRT-D is 273 – Other Circulatory System Diagnoses with MCC.

Convert to ICD-9 Code


The ICD-10 code I45.81 can be converted to the ICD-9 code 427.1 – Paroxysmal Ventricular Tachycardia.

Code History

CRT-D or BiV ICDs in Daytona Beach, FL
CRT-D or BiV ICDs in Daytona Beach, FL

The ICD-10 code for ICD vs CRT-D was implemented on October 1, 2015, as part of the transition from ICD-9 to ICD-10 coding.

Approximate Synonyms

Some approximate synonyms for ICD vs CRT-D include implantable defibrillator and cardiac resynchronization therapy defibrillator.

Clinical Information

ICDs are used to monitor and treat abnormal heart rhythms by delivering electric shocks to restore normal heart rhythm. CRT-Ds are similar to ICDs but also have the ability to synchronize the contractions of the heart’s ventricles to improve its pumping function.


The need for an ICD vs CRT-D is typically due to underlying heart conditions such as heart failure, coronary artery disease, or a history of ventricular arrhythmias.


Patients who may benefit from an ICD vs CRT-D may experience symptoms such as palpitations, chest pain, shortness of breath, dizziness, or fainting spells.


Diagnosing the need for an ICD vs CRT-D involves a thorough evaluation by a cardiologist, including a review of the patient’s medical history, physical examination, and various tests such as an electrocardiogram (ECG) and echocardiogram.


Once the decision to implant an ICD vs CRT-D is made, the procedure is typically done under local anesthesia in a hospital setting. The device is implanted under the skin near the collarbone and connected to leads that are placed inside the heart.


In conclusion, ICDs and CRT-Ds are valuable devices that can effectively treat heart conditions and improve the quality of life for patients. Understanding the differences between the two devices is important in determining the most appropriate treatment for each individual.


1. Are ICDs and CRT-Ds the same?

No, ICDs and CRT-Ds have some similarities but also important differences in their functions and uses.

2. How do I know if I need an ICD vs CRT-D?

Your cardiologist will assess your medical history, symptoms, and test results to determine if an ICD or CRT-D is the most appropriate treatment for your condition.

3. Are there any risks associated with implanting an ICD vs CRT-D?

As with any medical procedure, there are risks involved in implanting these devices, such as infection, bleeding, or device malfunction. Your healthcare provider will discuss these risks with you before the procedure.

4. How long do ICD vs CRT-D devices last?

ICDs and CRT-Ds typically last 5-7 years before the battery needs to be replaced. Your healthcare provider will monitor the device regularly to ensure it is functioning properly.

5. Can I lead a normal life with an ICD vs CRT-D?

Yes, most patients with ICDs or CRT-Ds can lead normal, active lives with proper care and monitoring. Your healthcare provider will provide guidance on any restrictions or precautions you may need to take.

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button