E0787 — External ambulatory infusion pump, insulin, dosage rate adjustment using therapeutic continuous glucose sensing
E0787 is a HCPCS Level II code for external ambulatory infusion pump, insulin, dosage rate adjustment using therapeutic continuous glucose sensing. It belongs to the Durable Medical Equipment section. Medicare does not pay it — see the coverage note below before you bill it.
Medicare coverage: Not payable by Medicare
Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.
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 E0787 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
- 0 — never payable MAI 3 — Date of Service Edit: Clinical · CMS Policy
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 E0787
- Long descriptor
- External ambulatory infusion pump, insulin, dosage rate adjustment using therapeutic continuous glucose sensing
- Short descriptor
- Cgs dose adj insulin inf pmp
- Added
- January 1, 2020
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
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.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to E0787
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If E0787 is not quite right, the correct code is very often within a few positions of it.
- E0779Ambulatory infusion pump, mechanical, reusable, for infusion 8 hours or greater
- 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)
- E0791Parenteral infusion pump, stationary, single or multi-channel
- 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
Questions about E0787
What is HCPCS code E0787?
E0787 is a HCPCS Level II code for external ambulatory infusion pump, insulin, dosage rate adjustment using therapeutic continuous glucose sensing. It sits in the Durable Medical Equipment section.
Does Medicare cover E0787?
The CMS HCPCS file marks E0787 as "Not payable by Medicare". Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.