G0166 – External counterpulsation, per treatment session

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Special coverage instructions apply

HCPCS codeG0166
Long description
External counterpulsation, per treatment session
Short description
Extrnl counterpulse, per tx
Pricing indicator
11 Priced using national RVUs (Physician Fee Schedule)
Medicare coverage
D Special coverage instructions apply
BETOS category
P6C Minor procedures - other (Medicare fee schedule)
Added
January 1, 2000
Last change
January 1, 2000 – No change

Frequently asked questions

What is HCPCS code G0166?

G0166 is a HCPCS Level II code for external counterpulsation, per treatment session.

Does Medicare cover G0166?

The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.