`G2000` Blinded conv. tx mdd clin tr

Blinded administration of convulsive therapy procedure, either electroconvulsive therapy (ect, current covered gold standard) or magnetic seizure therapy (mst, non-covered experimental therapy), performed in an approved ide-based clinical trial, per treatment session

Medicare coverage: Carrier judgment
Status: active (October 2026 file)

Medically Unlikely Edits (effective October 1, 2026)

Practitioner: max 1 units per day (clinical), rationale: Nature of Service/Procedure
Outpatient hospital: max 1 units per day (clinical), rationale: Nature of Service/Procedure

Medicare pricing for G2000

Physician Fee Schedule (CY 2026, RVU26D)

Status R: restricted coverage, special coverage instructions apply.

Payer policies and prior authorization for G2000

8 of 8 payer prior-auth lists that name G2000 require prior authorization or set conditions: Blue Shield of California, UnitedHealthcare, UnitedHealthcare Community Plan.

Payer	Plan	State	Prior auth	Since	Source
Blue Shield of California	Blue Shield Medicare	CA	prior auth required	Sep 1, 2026	Prior Authorization List for Blue Shield Medicare
Blue Shield of California	Blue Shield commercial	CA	prior auth required	Sep 1, 2026	Prior Authorization List for Blue Shield
UnitedHealthcare	UnitedHealthcare Complete (Individual & Family plans)	All	prior auth required	Sep 1, 2026	Prior authorization requirements for UnitedHealthcare Complete Effective September 1, 2026
UnitedHealthcare	UnitedHealthcare Individual Exchange plans	All	prior auth required	Oct 1, 2026	Prior authorization requirements for UnitedHealthcare Individual Exchange plans Effective October 1, 2026
UnitedHealthcare Community Plan	AHCCCS Complete Care (ACC)	AZ	prior auth required	Oct 1, 2026	Prior authorization requirements for AHCCCS Complete Care (ACC) Medicaid effective October 1, 2026
UnitedHealthcare Community Plan	ALTCS Developmentally Disabled	AZ	prior auth required	Oct 1, 2026	Prior authorization requirements for Arizona Developmental Disabilities Effective October 1, 2026
UnitedHealthcare Community Plan	ALTCS Long Term Care	AZ	prior auth required	Oct 1, 2026	Prior authorization requirements for Arizona Long Term Care Effective October 1, 2026
UnitedHealthcare Community Plan	New Mexico Turquoise Care	NM	prior auth required	Oct 1, 2026	Prior authorization requirements for UnitedHealthcare Community Plan of New Mexico Effective October 1, 2026

Payer coverage policies that name G2000

G2000 appears in 10 coverage policies from UnitedHealthcare.

Payer	Policy	Role in policy	Reviewed	Document
UnitedHealthcare	Clinical Trials (MP.006.27) Covered When Criteria Are Met	listed, no stance	Sep 1, 2026	payer document
UnitedHealthcare	Mandatory Medicaid Coverage of Routine Patient Costs in Qualifying Clinical Trials (CS018SS.V) Covered When Criteria Are Met	listed, no stance	Aug 1, 2026	payer document
UnitedHealthcare	Mandatory Medicaid Coverage of Routine Patient Costs in Qualifying Clinical Trials (for Idaho Only) (CS018ID.C) Covered When Criteria Are Met	listed, no stance	Sep 1, 2026	payer document
UnitedHealthcare	Mandatory Medicaid Coverage of Routine Patient Costs in Qualifying Clinical Trials (for Kansas Only) (CS018KS.03) Covered When Criteria Are Met	listed, no stance	Aug 1, 2026	payer document
UnitedHealthcare	Mandatory Medicaid Coverage of Routine Patient Costs in Qualifying Clinical Trials (for Kentucky Only) (CS018KY.06) Covered When Criteria Are Met	listed, no stance	Sep 1, 2025	payer document
UnitedHealthcare	Mandatory Medicaid Coverage of Routine Patient Costs in Qualifying Clinical Trials (for Nebraska Only) (CS018NE.W) Covered When Criteria Are Met	listed, no stance	Sep 1, 2026	payer document
UnitedHealthcare	Mandatory Medicaid Coverage of Routine Patient Costs in Qualifying Clinical Trials (for New Mexico Only) (CS018NM.D) Covered When Criteria Are Met	listed, no stance	Aug 1, 2026	payer document
UnitedHealthcare	Mandatory Medicaid Coverage of Routine Patient Costs in Qualifying Clinical Trials (for Ohio Only) (CS018OH.C) Covered When Criteria Are Met	listed, no stance	Oct 1, 2025	payer document
UnitedHealthcare	Mandatory Medicaid Coverage of Routine Patient Costs in Qualifying Clinical Trials (for Pennsylvania Only) (CS018PA.T) Covered When Criteria Are Met	listed, no stance	Sep 1, 2026	payer document
UnitedHealthcare	Mandatory Medicaid Coverage of Routine Patient Costs in Qualifying Clinical Trials (for Tennessee Only) (CS018TN.T) Covered When Criteria Are Met	listed, no stance	Sep 1, 2026	payer document

Recent prior-auth changes

Oct 1, 2026: PA removed, Oxford Health Plans

Medicaid fee-for-service

Prior authorization required or conditional in IN.

ND: $0.00 (physician), effective Aug 1, 2026
VT: $0.00 (outpatient_hospital_opps), effective Feb 1, 2026
WY: $165.02 (outpatient_hospital_apc, Ambulatory Surgical Centers), effective Apr 1, 2026

From payers' published prior-auth lists, coverage policies and state Medicaid fee schedules, updated Oct 16, 2026. The role is what the policy's own code table or text says about the code. Not a guarantee of coverage or payment; verify with the payer. CPT® is a registered trademark of the American Medical Association.

G2000 Blinded conv. tx mdd clin tr