E0657 — Segmental pneumatic appliance for use with pneumatic compressor, chest
E0657 is a HCPCS Level II code for segmental pneumatic appliance for use with pneumatic compressor, chest. 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 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 E0657 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 · Anatomic Consideration
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 E0657
- Long descriptor
- Segmental pneumatic appliance for use with pneumatic compressor, chest
- Short descriptor
- Segmental pneumatic chest
- Added
- January 1, 2009
- 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 E0657
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If E0657 is not quite right, the correct code is very often within a few positions of it.
- E0640Patient lift, fixed system, includes all components/accessories
- E0641Standing frame/table system, multi-position (e.g., three-way stander), any size including pediatric, with or without wheels
- E0642Standing frame/table system, mobile (dynamic stander), any size including pediatric
- E0650Pneumatic compressor, non-segmental home model
- E0651Pneumatic compressor, segmental home model without calibrated gradient pressure
- E0652Pneumatic compressor, segmental home model with calibrated gradient pressure
- E0655Non-segmental pneumatic appliance for use with pneumatic compressor, half arm
- E0656Segmental pneumatic appliance for use with pneumatic compressor, trunk
- E0658Segmental pneumatic appliance for use with pneumatic compressor, integrated, 2 full arms and chest
- E0659Segmental pneumatic appliance for use with pneumatic compressor, integrated, head, neck and chest
- E0660Non-segmental pneumatic appliance for use with pneumatic compressor, full leg
- E0665Non-segmental pneumatic appliance for use with pneumatic compressor, full arm
- E0666Non-segmental pneumatic appliance for use with pneumatic compressor, half leg
- E0667Segmental pneumatic appliance for use with pneumatic compressor, full leg
- E0668Segmental pneumatic appliance for use with pneumatic compressor, full arm
- E0669Segmental pneumatic appliance for use with pneumatic compressor, half leg
Questions about E0657
What is HCPCS code E0657?
E0657 is a HCPCS Level II code for segmental pneumatic appliance for use with pneumatic compressor, chest. It sits in the Durable Medical Equipment section.
Does Medicare cover E0657?
The CMS HCPCS file marks E0657 as "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.