E0666 HCPCS code: Non-segmental pneumatic appliance for use with pneumatic compressor, half leg

E0666 is the HCPCS Level II code for non-segmental pneumatic appliance for use with pneumatic compressor, half leg. The 2026 Medicare DMEPOS fee schedule pays $130.91 to $196.80 (NU, new equipment, purchased) depending on the state. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 2 per day on DME suppliers. Its average fee ranks 7 of 26 E06 codes billed NU (family range $38.67–$7,347.82).

Code details

2026 Medicare DMEPOS fee schedule for E0666

How the E0666 fee compares

NCCI unit limits (MUE)

What changed for E0666

• 2026-01-01: Average state fee (NU) rose 2.0%: $183.31 to $186.98
• 2026-01-01: Average state fee (RR) rose 2.0%: $18.92 to $19.30
• 2026-01-01: Average state fee (UE) rose 2.0%: $137.68 to $140.43
• 1986-01-01: E0666 added to HCPCS Level II
• Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01

Frequently asked questions

What is HCPCS code E0666?

E0666 is the HCPCS Level II code for non-segmental pneumatic appliance for use with pneumatic compressor, half leg. Short descriptor: "Pneumatic appliance half leg".

How much does Medicare pay for E0666?

Under the 2026 DMEPOS fee schedule, non-rural state fees are NU (new equipment, purchased): $130.91–$196.80; RR (rental (monthly)): $13.11–$22.28; UE (used equipment, purchased): $98.15–$147.62. Rural fees can be higher.

Does Medicare cover E0666?

Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.

Did the Medicare fee for E0666 change in 2026?

The average non-rural state fee for NU moved from $183.31 in 2025 to $186.98 in 2026 (+2.0%). CMS's next quarterly HCPCS and DMEPOS update takes effect January 1, 2027.

How many units of E0666 can be billed per day?

2 on DME suppliers (NCCI medically unlikely edits).

Related E06 codes

• E0600 — Respiratory suction pump, home model, portable or stationary, electric ($55.46–$96.87)
• E0601 — Continuous positive airway pressure (CPAP) device ($50.04–$100.22)
• E0602 — Breast pump, manual, any type ($4.24–$50.46)
• E0603 — Breast pump, electric (ac and/or dc), any type
• E0604 — Breast pump, hospital grade, electric (ac and / or dc), any type
• E0605 — Vaporizer, room type ($2.79–$107.68)
• E0606 — Postural drainage board ($27.80–$33.43)
• E0607 — Home blood glucose monitor ($9.52–$108.55)
• E0610 — Pacemaker monitor, self-contained, (checks battery depletion, includes audible and visible check systems) ($30.39–$720.87)
• E0615 — Pacemaker monitor, self contained, checks battery depletion and other pacemaker components, includes digital/visible check systems ($54.03–$720.87)
• E0616 — Implantable cardiac event recorder with memory, activator and programmer
• E0617 — External defibrillator with integrated electrocardiogram analysis ($433.30–$577.30)

Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.

Next steps

• Run a reimbursement report for a device billed under E0666
• Watch E0666 for fee, coverage and descriptor changes
• Build a full Medicare revenue model for E0666

Sources: CMS HCPCS Level II release October 2025; CMS DMEPOS fee schedule 2026; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.

All E codes · HCPCS lookup