ModifiedKaiser PermanentePolicy N/A

Wearable_Auto_Defibrillator

Clinical review criteria for automated external defibrillators (AEDs) for home use in pediatric patients and wearable cardioverter defibrillators (WCD/WAD) for adults, including coverage guidance, background, evidence conclusions, applicable HCPCS codes, and a revision reinstating prior authorization for non‑Medicare members effective 2026-08-01.

Policy Summary

PayerKaiser Permanente

PolicyWearable_Auto_Defibrillator

Policy CodePolicy N/A

Change TypeReinstated prior authorizationadopt Medicare LCD guidance

Effective DateApr 19, 2007

Next Review DateN/A

Key ActionEffective 2026-08-01, prior authorization is required for wearable automatic defibrillators for non‑Medicare members identified as high risk of sudden cardiac death; prescribing practitioners must have relevant clinical experience.

SourceLink

POLICY UPDATE CHANGES

03/03/2026 MPC approved reinstating prior authorization for WADs for non‑Medicare members at high risk of sudden cardiac death, requiring prescribing practitioners to have relevant clinical experience; 60‑day notice required, effective 08/01/2026.

Policy notes that Kaiser will use Medicare LCD L33690 and Coverage Article A52458 for non‑Medicare members effective August 1, 2026.

2Device types discussed (WCD and pediatric AED)

5HCPCS codes listed

1Material policy change (PA reinstated)

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Coverage Summary

This policy provides clinical review criteria for wearable cardioverter defibrillators (WCD/WAD) for adults and automated external defibrillators (AEDs) for home use in pediatric patients. Coverage stance is mixed: the policy documents clinical guidance and references Medicare LCD/Local Coverage Article for Medicare members while noting insufficient evidence for routine effectiveness of these devices.

Effective date: 2007-04-19. Last review: 2026-03-03. There is a material policy change: on 03/03/2026 the Medical Policy Committee approved reinstating prior authorization (PA) for WADs for non‑Medicare members identified as high risk of sudden cardiac death and requiring prescribing practitioners to have relevant clinical experience; this change requires 60 days’ notice and is effective 08/01/2026.

Key policy facts

effective date2007-04-19

last review2026-03-03

policy statusMODIFIED

scope_summaryClinical review criteria for home use automated external defibrillators (pediatric) and wearable cardioverter defibrillators (WCD/WAD) for adults, including coverage guidance, background, evidence conclusions, applicable HCPCS codes, and a reinstated prior authorization for non‑Medicare WADs effective 2026-08-01.

has_material_changetrue (03/03/2026 MPC approved reinstating prior authorization for WADs for non‑Medicare members; 60-day notice; effective 08/01/2026)

Medical-Necessity Criteria

Medicare Members / Non‑Medicare Members Guidance

Policy references Medicare LCD and Coverage Article for Medicare members; non‑Medicare members follow policy until 2026-08-01 and thereafter adopt Medicare LCD guidance with reinstated prior authorization for WADs for non‑Medicare members.

Medicare members: For Medicare members: Kaiser uses applicable policy sources; Local Coverage Determination (L33690) and Local Coverage Article (A52458) apply
Medicare members follow CMS LCD/A
Non‑Medicare members (until 2026-08-01): For non‑Medicare members: Existing Automatic External Defibrillators criteria effective until 2026-08-01; effective August 1, 2026 Kaiser will use coverage guidance from Medicare's LCD (L33690) and Coverage Article (A52458)
Change effective 2026-08-01
Prior authorization reinstatement (non‑Medicare):

Provider Actions & Requirements

Prior Authorization

Prior authorization reinstated for WADs (non‑Medicare members)

Effective 2026-08-01, prior authorization is required for wearable automatic defibrillators for non‑Medicare members identified as high risk of sudden cardiac death; prescribing practitioners must have relevant clinical experience.

Affected HCPCS/HCPC codes: K0606, K0607, K0608, K0609, E0617
Effective date: 2026-08-01
Prescribing practitioner must have relevant clinical experience (practitioner experience requirement reinstated)

Documentation Required

Follow Medicare LCD/Local Coverage Article for Medicare members

For Medicare members, coverage follows LCD L33690 and Article A52458; providers should reference those documents and supply required documentation per CMS guidance when submitting claims.

Reference: Medicare Local Coverage Determination (L33690) and Local Coverage Article (A52458)

Coding

Medical Necessity Review not required (Applicable HCPCS)HCPCS

E0617	External defibrillator with integrated electrocardiogram analysis
K0606	Automatic external defibrillator, with integrated electrocardiogram analysis, garment type
K0607	Replacement battery for automated external defibrillator, garment type only, each
K0608	Replacement garment for use with automated external defibrillator, each
K0609	Replacement electrodes for use with automated external defibrillator, garment type only, each

Background, Evidence, and Definitions

Background materials describe sudden cardiac death (SCD) and the evolution of defibrillation devices from implantable cardioverter defibrillators (ICDs) to external options. Two device types are discussed: the automated external defibrillator with integrated ECG analysis that requires an operator to shock, and the wearable cardioverter defibrillator (WCD/WAD), a vestlike garment that continuously monitors rhythm and can automatically deliver shocks without bystander intervention. The LIFECOR WCD2000 is FDA‑cleared for 24‑hour use in patients at risk of sudden cardiac arrest when an implantable ICD is unwanted or impractical, and the FDA specifies contraindications (e.g., age <18 years, pregnancy, presence or need for an ICD, inability/unwillingness to wear continuously, sensory or medication limitations that would prevent use of the response buttons).

Evidence reviews summarized in the policy conclude insufficient evidence of efficacy and safety. The Kaiser Medical Technology Assessment found only small observational studies (the largest being WEARIT/BIROAD) and determined the published studies do not provide sufficient evidence to establish that wearable automatic defibrillators prevent sudden cardiac death. Similarly, for pediatric use the Heartstream FR2 (FDA‑approved with attenuated pads for children ≤8 years or ≤55 lbs) has accuracy data but no evidence showing reduced mortality in home or school settings; Kaiser concluded AED use in the home for pediatric patients does not meet Medical Technology Assessment criteria.

Study	Key takeaway
WEARIT/BIROAD (Feldman et al.)	Largest observational study of wearable defibrillators; evidence insufficient to determine efficacy and safety
Cecchin et al. 2001 (Heartstream FR2 detection accuracy)	Study suggests accurate arrhythmia detection in children but did not evaluate delivered shock appropriateness or mortality outcomes

Definitions: A Wearable Cardioverter Defibrillator / Wearable Automatic Defibrillator (WCD/WAD) is a vestlike external defibrillator with integrated electrocardiogram analysis designed to monitor rhythm and automatically deliver a shock if the patient becomes unconscious.

An Automated External Defibrillator (AED) is a portable device that analyzes heart rhythms and delivers shocks when indicated. The Heartstream FR2 is an AED model with pediatric‑attenuated pads specifically intended for children ≤8 years old or weighing ≤55 pounds.

Medicare Determinations

Document Type / Number	Title
L33690 (LCD)	Automatic External Defibrillators
A52458 (Local Coverage Article)	Automatic External Defibrillators

Revision History

03/03/2026policy_revisionLatest

MPC approved reinstating prior authorization for wearable automatic defibrillators (WADs) for non‑Medicare members identified as high risk of sudden cardiac death, requiring prescribing practitioners to have relevant clinical experience; 60‑day notice required, effective 08/01/2026.

08/01/2026policy_effective_date

Effective August 1, 2026 Kaiser Permanente will use Medicare's Local Coverage Determination (L33690) and Coverage Article (A52458) guidance for non‑Medicare members regarding Automatic External Defibrillators and wearable automatic defibrillators.

2007-04-19