E0746: Electromyography (emg), biofeedback device
E0746 is a HCPCS Level II code for electromyography (emg), biofeedback device. It belongs to the Durable Medical Equipment section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q4-Oct. This states Medicare’s position on the code, not on your particular claim.
Medically Unlikely Edits: units per day
The most units of E0746 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.
- practitioner
- 1 unit MAI 3: Date of Service Edit: Clinical · Nature of Equipment
- outpatient
- 1 unit MAI 3: Date of Service Edit: Clinical · Nature of Equipment
- DME supplier
- 0, never payable MAI 3: Date of Service Edit: Clinical · CMS Policy
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 2026Q4.
The CMS record for E0746
- Long descriptor
- Electromyography (emg), biofeedback device
- Short descriptor
- Electromyograph biofeedback
- Added
- January 1, 1989
- BETOS
- D1E
- Pricing indicator
- 52: Other
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.
Reasonable charge.
Codes adjacent to E0746
HCPCS has no hierarchy: related items simply sit next to each other in the numbering. If E0746 is not quite right, the correct code is very often within a few positions of it.
- 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
- E0743External lower extremity nerve stimulator for restless legs syndrome, each
- E0744Neuromuscular stimulator for scoliosis
- E0745Neuromuscular stimulator, electronic shock unit
- 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
- E0761Non-thermal pulsed high frequency radiowaves, high peak power electromagnetic energy treatment device
- E0762Transcutaneous electrical joint stimulation device system, includes all accessories
- E0764Functional neuromuscular stimulation, transcutaneous stimulation of sequential muscle groups of ambulation with computer control, used for walking by spinal cord injured, entire system, after completion of training program