E2329 — Power wheelchair accessory, head control interface, contact switch mechanism, nonproportional, including all related electronics, mechanical stop switch, mechanical direction change switch, head array, and fixed mounting hardware
E2329 is a HCPCS Level II code for power wheelchair accessory, head control interface, contact switch mechanism, nonproportional, including all related electronics, mechanical stop switch, mechanical direction change switch, head array, and fixed mounting hardware. 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 E2329 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
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- outpatient
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
- 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 E2329
- Long descriptor
- Power wheelchair accessory, head control interface, contact switch mechanism, nonproportional, including all related electronics, mechanical stop switch, mechanical direction change switch, head array, and fixed mounting hardware
- Short descriptor
- Head control nonproportional
- Added
- January 1, 2004
- BETOS
- D1D
- 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 E2329
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If E2329 is not quite right, the correct code is very often within a few positions of it.
- E2321Power wheelchair accessory, hand control interface, remote joystick, nonproportional, including all related electronics, mechanical stop switch, and fixed mounting hardware
- E2322Power wheelchair accessory, hand control interface, multiple mechanical switches, nonproportional, including all related electronics, mechanical stop switch, and fixed mounting hardware
- E2323Power wheelchair accessory, specialty joystick handle for hand control interface, prefabricated
- E2324Power wheelchair accessory, chin cup for chin control interface
- E2325Power wheelchair accessory, sip and puff interface, nonproportional, including all related electronics, mechanical stop switch, and manual swingaway mounting hardware
- E2326Power wheelchair accessory, breath tube kit for sip and puff interface
- E2327Power wheelchair accessory, head control interface, mechanical, proportional, including all related electronics, mechanical direction change switch, and fixed mounting hardware
- E2328Power wheelchair accessory, head control or extremity control interface, electronic, proportional, including all related electronics and fixed mounting hardware
- E2330Power wheelchair accessory, head control interface, proximity switch mechanism, nonproportional, including all related electronics, mechanical stop switch, mechanical direction change switch, head array, and fixed mounting hardware
- E2331Power wheelchair accessory, attendant control, proportional, including all related electronics and fixed mounting hardware
- E2340Power wheelchair accessory, nonstandard seat frame width, 20-23 inches
- E2341Power wheelchair accessory, nonstandard seat frame width, 24-27 inches
- E2342Power wheelchair accessory, nonstandard seat frame depth, 20 or 21 inches
- E2343Power wheelchair accessory, nonstandard seat frame depth, 22-25 inches
- E2351Power wheelchair accessory, electronic interface to operate speech generating device using power wheelchair control interface
- E2358Power wheelchair accessory, group 34 non-sealed lead acid battery, each
Questions about E2329
What is HCPCS code E2329?
E2329 is a HCPCS Level II code for power wheelchair accessory, head control interface, contact switch mechanism, nonproportional, including all related electronics, mechanical stop switch, mechanical direction change switch, head array, and fixed mounting hardware. It sits in the Durable Medical Equipment section.
Does Medicare cover E2329?
The CMS HCPCS file marks E2329 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.