Replacement battery for external infusion pump owned by patient, lithium, 1.5 volt, each
Medicare coverage: Carrier judgment
Status: active (October 2026 file)
Medically Unlikely Edits (effective October 1, 2026)
Practitioner: max 0 units per day (clinical), rationale: CMS Policy
Outpatient hospital: max 1 units per day (clinical), rationale: Nature of Equipment
DME supplier: max 6 units per day (clinical), rationale: Clinical: Data
Medicare pricing for A4602
DMEPOS fee schedule, July 2026 (DME26-C)
NU (purchased, new), inexpensive or routinely purchased (IN): non-rural $5.31 in the contiguous states; $5.31 to $6.33 in AK, HI, PR and VI; ceiling $5.31, floor $4.51
Physician Fee Schedule (CY 2026, RVU26D)
Status X: statutory exclusion, not paid under the PFS.
Payer policies and prior authorization for A4602
Payer coverage policies that name A4602
A4602 appears in 2 coverage policies from Aetna, Blue Cross & Blue Shield of Mississippi.
From payers' published prior-auth lists, coverage policies and state Medicaid fee schedules, updated Oct 16, 2026. The role is what the policy's own code table or text says about the code. Not a guarantee of coverage or payment; verify with the payer. CPT® is a registered trademark of the American Medical Association.