DME vs DMEPOS
DME is durable medical equipment. DMEPOS expands to include prosthetics, orthotics, and supplies. Medicare enrollment, accreditation, and billing flow through the DME MAC for DMEPOS suppliers.
Last reviewed May 24, 2026
Side by side
DME (Durable Medical Equipment)
Equipment that can withstand repeated use, is primarily and customarily used to serve a medical purpose, is generally not useful to a person in the absence of an illness or injury, and is appropriate for use in the home.
42 CFR 414.202- Subset of the broader DMEPOS category.
- Examples: wheelchairs, hospital beds, oxygen equipment, CPAPs.
DMEPOS (DME + Prosthetics, Orthotics, Supplies)
Durable Medical Equipment, Prosthetics, Orthotics, and Supplies — the Medicare benefit category that covers DME plus prosthetic devices, orthotics, and certain supplies.
42 CFR 414 Subparts D, F- Suppliers enroll via CMS-855S and must be accredited.
- Most DMEPOS items billed to the DME MAC, not the Part B MAC.
- Subject to competitive bidding in many regions.
When to use DME (Durable Medical Equipment)
- Discussing the equipment subset of DMEPOS specifically (e.g., "DME coverage rules").
When to use DMEPOS (DME + Prosthetics, Orthotics, Supplies)
- Discussing the full Medicare supplier category — enrollment, accreditation, billing, competitive bidding.
Common mistakes
- Using "DME" when the discussion includes orthotics or supplies — DMEPOS is the correct term.
- Submitting DMEPOS claims to the Part B MAC instead of the DME MAC.
- Skipping accreditation — required for DMEPOS supplier enrollment.
Sources
- CMS — DMEPOS Supplier Enrollmenthttps://www.cms.gov/medicare/enrollment-renewal/providers-suppliers/dmepos
- CMS — Competitive Bidding Programhttps://www.cms.gov/medicare/payment/competitive-bidding-program
Related
Track DMEPOS enrollment in the SRA readiness check
Open sra studio →D3rx is a healthcare-billing and compliance research aid maintained by D3rx Inc. Articles are drafted by an LLM (Anthropic Claude) against primary HHS, OCR, CMS, eCFR, NIST, and state-regulator publications, and reviewed for restraint and source fidelity by the D3rx team.
Reviewer status: a named credentialed reviewer (CHC, CHPC, or healthcare attorney) is being engaged. Until that engagement is finalized, this page does not claim credentialed review.
This comparison is a research aid for billing and compliance staff. It does not provide legal, medical, or financial advice and does not replace counsel. References cited link to primary sources at CMS, HHS, OCR, eCFR, NIST, and the relevant payer or state regulator. Last reviewed May 24, 2026.