L8678 — Electrical stimulator supplies (external) for use with implantable neurostimulator, per month
L8678 is a HCPCS Level II code for electrical stimulator supplies (external) for use with implantable neurostimulator, per month. It belongs to the Orthotic and Prosthetic Procedures and Devices 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 L8678 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 2 — Date of Service Edit: Policy · Code Descriptor / CPT Instruction
- outpatient
- 1 unit MAI 2 — Date of Service Edit: Policy · Code Descriptor / CPT Instruction
- DME supplier
- 1 unit MAI 2 — Date of Service Edit: Policy · 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 L8678
- Long descriptor
- Electrical stimulator supplies (external) for use with implantable neurostimulator, per month
- Short descriptor
- Ext sply implt neurostim
- Added
- April 1, 2023
- BETOS
- D1F
- Pricing indicator
- 38 — 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.
Orthotics, prosthetics, prosthetic devices and vision services. Price subject to floors and ceilings.
Codes adjacent to L8678
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If L8678 is not quite right, the correct code is very often within a few positions of it.
- L8629Transmitting coil and cable, integrated, for use with cochlear implant device, replacement
- L8630Metacarpophalangeal joint implant
- L8631Metacarpal phalangeal joint replacement, two or more pieces, metal (e.g., stainless steel or cobalt chrome), ceramic-like material (e.g., pyrocarbon), for surgical implantation (all sizes, includes entire system)
- L8641Metatarsal joint implant
- L8642Hallux implant
- L8658Interphalangeal joint spacer, silicone or equal, each
- L8659Interphalangeal finger joint replacement, 2 or more pieces, metal (e.g., stainless steel or cobalt chrome), ceramic-like material (e.g., pyrocarbon) for surgical implantation, any size
- L8670Vascular graft material, synthetic, implant
- L8679Implantable neurostimulator, pulse generator, any type
- L8680Implantable neurostimulator electrode, each
- L8681Patient programmer (external) for use with implantable programmable neurostimulator pulse generator, replacement only
- L8682Implantable neurostimulator radiofrequency receiver
- L8683Radiofrequency transmitter (external) for use with implantable neurostimulator radiofrequency receiver
- L8684Radiofrequency transmitter (external) for use with implantable sacral root neurostimulator receiver for bowel and bladder management, replacement
- L8685Implantable neurostimulator pulse generator, single array, rechargeable, includes extension
- L8686Implantable neurostimulator pulse generator, single array, non-rechargeable, includes extension
Questions about L8678
What is HCPCS code L8678?
L8678 is a HCPCS Level II code for electrical stimulator supplies (external) for use with implantable neurostimulator, per month. It sits in the Orthotic and Prosthetic Procedures and Devices section.
Does Medicare cover L8678?
The CMS HCPCS file marks L8678 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.