E0791 — Parenteral infusion pump, stationary, single or multi-channel
E0791 is a HCPCS Level II code for parenteral infusion pump, stationary, single or multi-channel. 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 E0791 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 E0791
- Long descriptor
- Parenteral infusion pump, stationary, single or multi-channel
- Short descriptor
- Parenteral infusion pump sta
- Added
- January 1, 1989
- 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 E0791
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If E0791 is not quite right, the correct code is very often within a few positions of it.
- E0780Ambulatory infusion pump, mechanical, reusable, for infusion less than 8 hours
- E0781Ambulatory infusion pump, single or multiple channels, electric or battery operated, with administrative equipment, worn by patient
- E0782Infusion pump, implantable, non-programmable (includes all components, e.g., pump, catheter, connectors, etc.)
- E0783Infusion pump system, implantable, programmable (includes all components, e.g., pump, catheter, connectors, etc.)
- E0784External ambulatory infusion pump, insulin
- E0785Implantable intraspinal (epidural/intrathecal) catheter used with implantable infusion pump, replacement
- E0786Implantable programmable infusion pump, replacement (excludes implantable intraspinal catheter)
- E0787External ambulatory infusion pump, insulin, dosage rate adjustment using therapeutic continuous glucose sensing
- E0830Ambulatory traction device, all types, each
- E0840Traction frame, attached to headboard, cervical traction
- E0849Traction equipment, cervical, free-standing stand/frame, pneumatic, applying traction force to other than mandible
- E0850Traction stand, free standing, cervical traction
- E0855Cervical traction equipment not requiring additional stand or frame
- E0856Cervical traction device, with inflatable air bladder(s)
- E0860Traction equipment, overdoor, cervical
- E0870Traction frame, attached to footboard, extremity traction, (e.g., buck's)
Questions about E0791
What is HCPCS code E0791?
E0791 is a HCPCS Level II code for parenteral infusion pump, stationary, single or multi-channel. It sits in the Durable Medical Equipment section.
Does Medicare cover E0791?
The CMS HCPCS file marks E0791 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.