L5703 — Ankle, symes, molded to patient model, socket without solid ankle cushion heel (sach) foot, replacement only
L5703 is a HCPCS Level II code for ankle, symes, molded to patient model, socket without solid ankle cushion heel (sach) foot, replacement only. It belongs to the Orthotic and Prosthetic Procedures and Devices section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
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.
Medically Unlikely Edits — units per day
The most units of L5703 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
- 2 units MAI 2 — Date of Service Edit: Policy · Anatomic Consideration
- DME supplier
- 2 units MAI 2 — Date of Service Edit: Policy · Anatomic Consideration
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 L5703
- Long descriptor
- Ankle, symes, molded to patient model, socket without solid ankle cushion heel (sach) foot, replacement only
- Short descriptor
- Symes ankle w/o (sach) foot
- Added
- January 1, 2006
- BETOS
- D1F
- Pricing indicator
- 38 — DMEPOS
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.
Orthotics, prosthetics, prosthetic devices and vision services. Price subject to floors and ceilings.
Codes adjacent to L5703
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If L5703 is not quite right, the correct code is very often within a few positions of it.
- L5695Addition to lower extremity, above knee, pelvic control, sleeve suspension, neoprene or equal, each
- L5696Addition to lower extremity, above knee or knee disarticulation, pelvic joint
- L5697Addition to lower extremity, above knee or knee disarticulation, pelvic band
- L5698Addition to lower extremity, above knee or knee disarticulation, silesian bandage
- L5699All lower extremity prostheses, shoulder harness
- L5700Replacement, socket, below knee, molded to patient model
- L5701Replacement, socket, above knee/knee disarticulation, including attachment plate, molded to patient model
- L5702Replacement, socket, hip disarticulation, including hip joint, molded to patient model
- L5704Custom shaped protective cover, below knee
- L5705Custom shaped protective cover, above knee
- L5706Custom shaped protective cover, knee disarticulation
- L5707Custom shaped protective cover, hip disarticulation
- L5710Addition, exoskeletal knee-shin system, single axis, manual lock
- L5711Additions exoskeletal knee-shin system, single axis, manual lock, ultra-light material
- L5712Addition, exoskeletal knee-shin system, single axis, friction swing and stance phase control (safety knee)
- L5714Addition, exoskeletal knee-shin system, single axis, variable friction swing phase control
Questions about L5703
What is HCPCS code L5703?
L5703 is a HCPCS Level II code for ankle, symes, molded to patient model, socket without solid ankle cushion heel (sach) foot, replacement only. It sits in the Orthotic and Prosthetic Procedures and Devices section.
Does Medicare cover L5703?
The CMS HCPCS file marks L5703 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.