SuppliesA4225Insulin Pump Reservoir Supplies
Replacement reservoirs (cartridges) that hold the insulin inside an external pump and are changed out on a regular schedule. Coverage and eligibility are verified before anything ships or bills.
What to expect
- The refillable cartridge that holds your insulin inside the pump, swapped out routinely.
- Delivered alongside your other pump supplies so everything arrives together.
- We confirm exactly which reservoir fits your pump once your order is verified.
For providers (HCPCS A4225)
- Billed under HCPCS A4225 (supplies for external insulin infusion pump reservoir, per week).
- Supplied with active pump therapy under a valid standard written order (SWO); documentation of ongoing use required.
- Coverage and eligibility are verified before dispensing; typically resupplied in coordination with infusion-set supplies.
- Coverage varies by payer — DWO and supporting documentation required.


