CurrentUnitedHealthcarePolicy CS374IN.03

Electrical Stimulation for Wounds (for Indiana Only)

Defines UnitedHealthcare's coverage stance for electrical stimulation therapy to treat chronic wounds in Indiana health plans, including which wound types and where to find clinical criteria.

Policy Summary

PayerUnitedHealthcare

PolicyElectrical Stimulation for Wounds (for Indiana Only)

Policy CodePolicy CS374IN.03

Change TypeRevised coverage rationalereference update

Effective DateJun 1, 2025

Next Review Date

Key ActionObtain prior authorization when required and document 30 days of unsuccessful conventional care before billing G0281.

SourceLink

POLICY UPDATE CHANGES

Coverage Rationale Revised language pertaining to medical necessity clinical coverage criteria: Added reference to the InterQuale Medicare: Procedures, Electrical Stimulation (ES) and Electromagnetic Therapy for the Treatment of Wounds NCD.

Removed reference to the InterQuale Medicare: Procedures, Wound Care WPS Supporting Information.

1Applicable state (Indiana only)

G0281, G0282Referenced HCPCS procedure codes

Chronic Stage III & IV; arterial; diabetic; venousWound types listed as potentially medically necessary

30 daysConventional care period

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06/01/2025Policy effective date

Coverage Criteria for Electrical Stimulation — Wound Healing

Medically Necessary Coverage Criteria

Covered when ALL of the following are met:

Indication: Wound is a chronic Stage III or Stage IV pressure ulcer, arterial ulcer, diabetic ulcer, or venous stasis ulcer.

Source: Coverage Rationale and G0281 description

Prior conventional care: Wound has not demonstrated measurable signs of healing after 30 days of conventional care.30 days

Required before G0281 applies

Clinical criteria reference: Medical necessity must meet the InterQual Medicare: Procedures Electrical Stimulation (ES) and Electromagnetic Therapy for the Treatment of Wounds NCD clinical criteria.

Refer to InterQual for detailed patient-level criteria

Not Medically Necessary

Excluded indications: Electrical stimulation for treating all other wounds or ulcers (i.e., not the specified chronic Stage III/IV pressure, arterial, diabetic, or venous stasis ulcers) is unproven and not medically necessary.

Document states insufficient evidence of efficacy

Use of electrical stimulation for treating wounds or ulcers other than chronic Stage III/IV pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers is considered unproven. The evidence is insufficient to establish efficacy for these other wound types, and such indications are therefore not medically necessary.

Electrical stimulation for all other wounds or ulcers is unproven and not medically necessary due to insufficient evidence of efficacy; claims for indications outside the specified chronic Stage III/IV pressure, arterial, diabetic, and venous stasis ulcers may be denied.

Procedure Codes and Coding Rules

Applicable HCPCS CodesHCPCS

G0281	Electrical stimulation, (unattended); to one or more areas, for chronic Stage III and Stage IV pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care, as of a therapy plan of care part.
G0282	Electrical stimulation, (unattended), to one or more areas, for wound care other than described in G0281

Conventional care period before eligibility (30 days)

Required duration of conventional care30 days

Role in eligibility for G0281G0281 applies when the wound has not demonstrated measurable signs of healing after 30 days of conventional care

Document locationThreshold listed under Applicable HCPCS Codes and coding thresholds

Provider Steps, Prior Authorization, and Billing Guidance

Prior Authorization

Prior Authorization and Operational Note

Prior authorization is required for electrical stimulation for wound care when applicable under UnitedHealthcare Community Plan of Indiana rules. Refer to the Indiana-specific prior authorization and notification lists for the most current requirements and to confirm whether a given code is managed for medical necessity review. Providers must submit authorization requests at least 30 days prior to initiation of therapy when the member’s plan or state rules require advance notice.

State-specific authorization lists may exclude certain codes from medical necessity review — always check the current Indiana list.
Authorization requests should include documentation of prior conventional care and wound assessments as required by the plan.

Documentation Required

30-day Conventional Care Requirement for G0281

Electrical stimulation billed with G0281 is limited to unattended treatment of chronic Stage III and Stage IV pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers that have not demonstrated measurable signs of healing after at least 30 days of conventional care and when used as part of a documented therapy plan of care.

Background and Rationale

Electrical stimulation for wound healing delivers short bursts of electrical current via electrodes placed on or around the wound bed to alter local charge and cell membrane potentials. This modality is intended to promote cellular processes such as angiogenesis and may accelerate healing in select chronic wounds. Coverage for use in Indiana is limited to specific chronic wound types and requires that medical necessity meet the referenced clinical criteria (see InterQual Medicare: Procedures — Electrical Stimulation and Electromagnetic Therapy for the Treatment of Wounds NCD). The FDA has not approved electrical stimulation devices specifically for chronic wound healing; their use for this purpose is considered an off-label application.

Definitions and Device Status

Electrical stimulation device — key definition / device description

Basic device descriptionAt least two electrodes attached to a small battery-like device that delivers short bursts of electrical current to the wound area

Mechanism of actionAlters the charge across the wound bed and cell membrane potential, promoting angiogenesis to accelerate wound healing

ApplicationElectrodes are applied to the area surrounding the pressure injury as part of a therapy plan of care

FDA status for wound healing (off-label use)

FDA approval status for wound healingThe FDA has not approved any electrical stimulation or electromagnetic devices specifically for the treatment of chronic wounds (use for wound healing is off-label)

Device classification

Revision History and Policy Changes

2025-06-01revisionLatest

Coverage Rationale revised to add reference to InterQual Medicare: Procedures Electrical Stimulation (ES) and Electromagnetic Therapy for the Treatment of Wounds NCD and removed reference to InterQual Medicare: Procedures, Wound Care WPS Supporting Information; archived prior policy version CS374IN.02.

Policy Summary

PayerUnitedHealthcare

PolicyElectrical Stimulation for Wounds (for Indiana Only)

Policy CodePolicy CS374IN.03

Change TypeRevised coverage rationalereference update

Effective DateJun 1, 2025

Next Review Date

Key ActionObtain prior authorization when required and document 30 days of unsuccessful conventional care before billing G0281.

SourceLink

On This Page

Documented evidence of >= 30 days of conventional care without measurable healing is required to support use of G0281.
G0281 applies only to the wound types listed (Stage III/IV pressure ulcers, arterial, diabetic, venous stasis).

Billing Rule

Billing Guidance — Procedure Codes G0281 and G0282

When billing for unattended electrical stimulation, use the following HCPCS procedure codes and descriptors as applicable. Use G0281 only for the specific chronic wounds listed that meet the 30-day non-healing requirement; use G0282 for all other wounds.

G0281 — Electrical stimulation, (unattended); to one or more areas, for chronic Stage III and Stage IV pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care, as part of a therapy plan of care.
G0282 — Electrical stimulation, (unattended), to one or more areas, for wound care other than described in G0281.
Do not report G0281 and G0282 together for the same treatment session; select the single code that accurately describes the wound type and clinical scenario.

Denial Risk

Denial Risk for Other Wound Types

Electrical stimulation for treating wounds or ulcers other than those specifically listed for G0281 is considered unproven and not medically necessary due to insufficient evidence of efficacy. Billing for G0282 does not imply medical necessity for all wound types — services for wounds not meeting G0281 criteria are at higher risk for denial if documentation does not support medical necessity.

When treating wounds not meeting the G0281 criteria, provide thorough documentation of wound characteristics, prior treatments, and rationale for electrical stimulation; anticipate increased medical review and potential denial.
If the member’s wound does not show measurable improvement after 30 days of conventional care but does not meet the specific wound-type criteria for G0281, the service remains not medically necessary per policy.

Electrical stimulation devices are regulated as Class II devices

510(k) clearancesMore than 500 electrical stimulation devices have been cleared by the FDA 510(k) process; search CDRH databases for specific device marketing information