E0781 refers to a portable, wearable pump that supports patient mobility. In contrast, E0791 denotes a stationary pump, typically mounted on a pole or bedside, unsuitable for ambulatory use.

HCPCS code E0781: Ambulatory Infusion Pump, Worn by Patient
Learn more about HCPCS code E0781, its documentation and billing requirements, and how to properly use and bill for the code, in our short guide.
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Frequently asked questions
No, according to some Medicare program policies, an IV pole is not considered medically necessary when an ambulatory pump (E0781) is used because the patient is mobile and does not require a pole.
No. Administrative components are considered integral to the ambulatory pump and are bundled into E0781; listing them separately may lead to denial.
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