A4570 — Splint
A4570 is a HCPCS Level II code for splint. 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: 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.
Physician fee schedule statusI
Not valid for Medicare purposes. Medicare uses another code.
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 A4570 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
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 A4570
- Long descriptor
- Splint
- Short descriptor
- Splint
- Added
- January 1, 1982
- BETOS
- D1A
- Pricing indicator
- 52 — Other
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.
Reasonable charge.
Codes adjacent to A4570
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A4570 is not quite right, the correct code is very often within a few positions of it.
- A4559Coupling gel or paste, for use with ultrasound device, per oz
- A4560Neuromuscular electrical stimulator (nmes), disposable, replacement only
- A4561Pessary, reusable, rubber, any type
- A4562Pessary, reusable, non rubber, any type
- A4563Rectal control system for vaginal insertion, for long term use, includes pump and all supplies and accessories, any type each
- A4564Pessary, disposable, any type
- A4565Slings
- A4566Shoulder sling or vest design, abduction restrainer, with or without swathe control, prefabricated, includes fitting and adjustment
- A4575Topical hyperbaric oxygen chamber, disposable
- A4580Cast supplies (e.g., plaster)
- A4590Special casting material (e.g., fiberglass)
- A4593Neuromodulation stimulator system, adjunct to rehabilitation therapy regime, controller
- A4594Neuromodulation stimulator system, adjunct to rehabilitation therapy regime, mouthpiece each
- A4595Electrical stimulator supplies, 2 lead, per month, (e.g., tens, nmes)
- A4596Cranial electrotherapy stimulation (ces) system supplies and accessories, per month
- A4600Sleeve for intermittent limb compression device, replacement only, each
Questions about A4570
What is HCPCS code A4570?
A4570 is a HCPCS Level II code for splint. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A4570?
The CMS HCPCS file marks A4570 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.
How is A4570 paid under the physician fee schedule?
A4570 carries PFS status code I. Not valid for Medicare purposes. Medicare uses another code.