A4611 — Battery, heavy duty; replacement for patient owned ventilator
A4611 is a HCPCS Level II code for battery, heavy duty; replacement for patient owned ventilator. It belongs to the Transportation, Medical & Surgical Supplies, Administrative section. Medicare does not pay it — see the coverage note below before you bill it.
Medicare coverage: Non-covered by statute
Excluded from coverage by the Social Security Act itself, not by a policy decision. No documentation and no appeal changes this one — an ABN is the relevant conversation.
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.
Physician fee schedule statusN
Non-covered service. Medicare does not cover it.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
Medically Unlikely Edits — units per day
The most units of A4611 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
- 2 units MAI 3 — Date of Service Edit: Clinical · Clinical: Data
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 A4611
- Long descriptor
- Battery, heavy duty; replacement for patient owned ventilator
- Short descriptor
- Heavy duty battery
- Added
- January 1, 1990
- BETOS
- D1E
- 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 A4611
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A4611 is not quite right, the correct code is very often within a few positions of it.
- A4596Cranial electrotherapy stimulation (ces) system supplies and accessories, per month
- A4600Sleeve for intermittent limb compression device, replacement only, each
- A4601Lithium ion battery, rechargeable, for non-prosthetic use, replacement
- A4602Replacement battery for external infusion pump owned by patient, lithium, 1.5 volt, each
- A4604Tubing with integrated heating element for use with positive airway pressure device
- A4605Tracheal suction catheter, closed system, each
- A4606Oxygen probe for use with oximeter device, replacement
- A4608Transtracheal oxygen catheter, each
- A4612Battery cables; replacement for patient-owned ventilator
- A4613Battery charger; replacement for patient-owned ventilator
- A4614Peak expiratory flow rate meter, hand held
- A4615Cannula, nasal
- A4616Tubing (oxygen), per foot
- A4617Mouth piece
- A4618Breathing circuits
- A4619Face tent
Questions about A4611
What is HCPCS code A4611?
A4611 is a HCPCS Level II code for battery, heavy duty; replacement for patient owned ventilator. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A4611?
The CMS HCPCS file marks A4611 as "Non-covered by statute". Excluded from coverage by the Social Security Act itself, not by a policy decision. No documentation and no appeal changes this one — an ABN is the relevant conversation.
How is A4611 paid under the physician fee schedule?
A4611 carries PFS status code N. Non-covered service. Medicare does not cover it.