A wearable cardioverter-defibrillator (WCD) is a temporary, external device that is an alternative to an implantable cardioverter-defibrillator (ICD). It is primarily intended for temporary conditions for which an implantable device is contraindicated, or for a period of time during which the need for a permanent implantable device is uncertain.
A WCD may be considered medically necessary for a period of up to three (3) months and when the following criteria are met:
A documented episode of ventricular fibrillation or a sustained (lasting 30 seconds or longer) ventricular tachyarrhythmia. These dysrhythmias may be either spontaneous or induced during an electrophysiologic (EP) study, but may not be due to a transient or reversible cause and not occur during the first 48 hours of an acute myocardial infarction. Transient or reversible causes including but not limited to:
OR
A previously implanted defibrillator now requires explantation.
OR
As a bridge to left ventricular (LV) improvement for ANY ONE of the following indications:
OR
Inherited or familial conditions with a high risk for life-threatening ventricular tachyarrhythmias.
High-risk factors as evidenced by ANY ONE of the following:
WCD for any other indications will be considered not medically necessary.
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New York Heart Association Functional Classification (NYHA) of Heart Disease
Classification |
Characteristics |
Class I (mild) |
No limitation of physical activity. Ordinary physical activity does not cause undue fatigue, rapid/irregular heartbeat (palpitation) or shortness of breath (dyspnea). |
Class II (mild) |
Slight limitation of physical activity. Comfortable at rest, but ordinary physical activity results in fatigue, rapid/irregular heartbeat (palpitation), or shortness of breath (dyspnea). |
Class III (moderate) |
Marked limitation of physical activity. Comfortable at rest, but less than ordinary activity causes fatigue, rapid/irregular heartbeat (palpitation), and shortness of breath (dyspnea). |
Class IV (severe) |
Inability to carry on any physical activity without discomfort. Symptoms of fatigue, rapid/irregular heartbeat (palpitation) or shortness of breath (dyspnea) are present at rest. If any physical activity is undertaken, discomfort increases. |
Modified Ross Heart Failure Classification for Children
Classification |
Characteristics |
Class I |
No limitations or symptoms. |
Class II |
Infants: Mild tachypnea or diaphoresis with feeding. Older children: Mild to moderate dyspnea on exertion. |
Class III |
Infants: Growth failure and marked tachypnea or diaphoresis with feeding. Older children: Marked dyspnea on exertion. |
Class IV |
Symptoms at rest such as tachypnea, retractions, grunting, or diaphoresis. |
*All documentation include daily wear time must be maintained in the medical record and be available upon request. Beginning with the initial date the device was worn for continuous monitoring; the Cardiologist must reevaluate the need for continued use of the WCD at three (3) months and again at 90 day intervals until the device is discontinued. Documentation requirements including but not limited to the following must be maintained in the medical record: the date the device was first worn for continuous monitoring, the initial indication establishing medical necessity, member tolerance and compliance throughout the use of the WCD as documented by Cardiologist evaluations.
The Cardiologist may access the Zoll LifeVest Network on-line patient management system allowing for monitoring of the individual’s data reports downloaded from a the LifeVest wearable defibrillator.
2017 AHA/ACC/HRS Guideline for Management of Patients With Ventricular Arrhythmias and the Prevention of Sudden Cardiac Death.
Removal of an ICD for a period of time, most commonly due to infection, exposes the patient to risk of untreated VT/SCD unless monitoring and access to emergency external defibrillation is maintained. In 1 series of 354 patients who received the wearable cardioverter-defibrillator, the indication was infection in 10%. For patients with a history of SCA or sustained VA, the wearable cardioverter-defibrillator may allow the patient to be discharged from the hospital with protection from VT/SCA until the clinical situation allows reimplantation of an ICD.
The patients listed in this recommendation are represented in clinical series and registries that demonstrate the safety and effectiveness of the wearable cardioverter-defibrillator. Patients with recent MI, newly diagnosed NICM, recent revascularization, myocarditis, and secondary cardiomyopathy are at increased risk of VT/SCA. However, the wearable cardioverter-defibrillator is of unproven benefit in these settings, in part because the clinical situation may improve with therapy and time. In patients awaiting transplant, even with anticipated survival <1 year without transplant, and depending on clinical factors such as use of intravenous inotropes and ambient VA, a wearable cardioverter-defibrillator may be an alternative to an ICD.
Covered Diagnosis Codes for Procedure Codes 93292, 93745, K0606:
I25.2 |
I40.0 |
I40.1 |
I40.8 |
I40.9 |
I42.0 |
I42.1 |
I42.2 |
I42.3 |
I42.4 |
I42.5 |
I42.6 |
I42.7 |
I42.8 |
I42.9 |
I43 |
I45.81 |
I47.0 |
I47.1 |
I47.2 |
I47.9 |
I49.01 |
I49.02 |
I49.1 |
I49.2 |
I49.3 |
T82.110A |
T82.111A |
T82.118A |
T82.119A |
T82.120A |
T82.121A |
T82.128A |
T82.129A |
T82.190A |
T82.191A |
T82.198A |
T82.199A |
T82.6XXA |
T82.7XXA |
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This policy is designed to address medical guidelines that are appropriate for the majority of individuals with a particular disease, illness, or condition. Each person's unique clinical or other circumstances may warrant individual consideration, based on review of applicable medical records, as well as other regulatory, contractual and/or legal requirements.
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200 Independence Avenue, SW
Room 509F, HHH Building
Washington, D.C. 20201
1-800-368-1019, 800-537-7697 (TDD)
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Medical policies do not constitute medical advice, nor are they intended to govern the practice of medicine. They are intended to reflect reimbursement and coverage guidelines. Coverage for services may vary for individual members, based on the terms of the benefit contract.
Discrimination is Against the Law
The Claims Administrator/Insurer complies with applicable Federal civil rights laws and does not discriminate on the basis of race, color, national origin, age, disability, or sex. The Claims Administrator/Insurer does not exclude people or treat them differently because of race, color, national origin, age, disability, or sex. The Claims Administrator/ Insurer:
If you believe that the Claims Administrator/Insurer has failed to provide these services or discriminated in another way on the basis of race, color, national origin, age, disability, or sex, you can file a grievance with: Civil Rights Coordinator, P.O. Box 22492, Pittsburgh, PA 15222, Phone: 1-866-286-8295, TTY: 711, Fax: 412-544-2475, email: CivilRightsCoordinator@highmarkhealth.org. You can file a grievance in person or by mail, fax, or email. If you need help filing a grievance, the Civil Rights Coordinator is available to help you.
You can also file a civil rights complaint with the U.S. Department of Health and Human Services, Office for Civil Rights electronically through the Office for Civil Rights Complaint Portal, available at https://ocrportal.hhs.gov/ocr/portal/lobby.jsf, or by mail or phone at:
U.S. Department of Health and Human Services
200 Independence Avenue, SW
Room 509F, HHH Building
Washington, D.C. 20201
1-800-368-1019, 800-537-7697 (TDD)
Complaint forms are available at http://www.hhs.gov/ocr/office/file/index.html.