E0743 — External lower extremity nerve stimulator for restless legs syndrome, each
E0743 is a HCPCS Level II code for external lower extremity nerve stimulator for restless legs syndrome, each. It belongs to the Durable Medical Equipment section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Medically Unlikely Edits — units per day
The most units of E0743 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- DME supplier
- 2 units MAI 3 — Date of Service Edit: Clinical · Code Descriptor / CPT Instruction
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for E0743
- Long descriptor
- External lower extremity nerve stimulator for restless legs syndrome, each
- Short descriptor
- Ext low ext nerve stimu rls
- Added
- October 1, 2024
- BETOS
- D1E
- Pricing indicator
- 36 — DMEPOS
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Capped rental DME. Price subject to floors and ceilings.
Codes adjacent to E0743
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If E0743 is not quite right, the correct code is very often within a few positions of it.
- E0733Transcutaneous electrical nerve stimulator for electrical stimulation of the trigeminal nerve
- E0734External upper limb tremor stimulator of the peripheral nerves of the wrist
- E0735Non-invasive vagus nerve stimulator
- E0736Transcutaneous tibial nerve stimulator
- E0737Transcutaneous tibial nerve stimulator, controlled by phone application
- E0738Upper extremity rehabilitation system providing active assistance to facilitate muscle re-education, include microprocessor, all components and accessories
- E0739Rehabilitation system with interactive interface providing active assistance in rehabilitation therapy, includes all components and accessories, motors, microprocessors, sensors
- E0740Non-implanted pelvic floor electrical stimulator, complete system
- E0744Neuromuscular stimulator for scoliosis
- E0745Neuromuscular stimulator, electronic shock unit
- E0746Electromyography (emg), biofeedback device
- E0747Osteogenesis stimulator, electrical, non-invasive, other than spinal applications
- E0748Osteogenesis stimulator, electrical, non-invasive, spinal applications
- E0749Osteogenesis stimulator, electrical, surgically implanted
- E0755Electronic salivary reflex stimulator (intra-oral/non-invasive)
- E0760Osteogenesis stimulator, low intensity ultrasound, non-invasive
Questions about E0743
What is HCPCS code E0743?
E0743 is a HCPCS Level II code for external lower extremity nerve stimulator for restless legs syndrome, each. It sits in the Durable Medical Equipment section.
Does Medicare cover E0743?
The CMS HCPCS file marks E0743 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.