L6630 — Upper extremity addition, stainless steel, any wrist
L6630 is a HCPCS Level II code for upper extremity addition, stainless steel, any wrist. 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 L6630 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 L6630
- Long descriptor
- Upper extremity addition, stainless steel, any wrist
- Short descriptor
- Stainless steel any wrist
- Added
- January 1, 1986
- 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 L6630
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If L6630 is not quite right, the correct code is very often within a few positions of it.
- L6616Upper extremity addition, additional disconnect insert for locking wrist unit, each
- L6620Upper extremity addition, flexion/extension wrist unit, with or without friction
- L6621Upper extremity prosthesis addition, flexion/extension wrist with or without friction, for use with external powered terminal device
- L6623Upper extremity addition, spring assisted rotational wrist unit with latch release
- L6624Upper extremity addition, flexion/extension and rotation wrist unit
- L6625Upper extremity addition, rotation wrist unit with cable lock
- L6628Upper extremity addition, quick disconnect hook adapter, otto bock or equal
- L6629Upper extremity addition, quick disconnect lamination collar with coupling piece, otto bock or equal
- L6632Upper extremity addition, latex suspension sleeve, each
- L6635Upper extremity addition, lift assist for elbow
- L6637Upper extremity addition, nudge control elbow lock
- L6638Upper extremity addition to prosthesis, electric locking feature, only for use with manually powered elbow
- L6640Upper extremity additions, shoulder abduction joint, pair
- L6641Upper extremity addition, excursion amplifier, pulley type
- L6642Upper extremity addition, excursion amplifier, lever type
- L6645Upper extremity addition, shoulder flexion-abduction joint, each
Questions about L6630
What is HCPCS code L6630?
L6630 is a HCPCS Level II code for upper extremity addition, stainless steel, any wrist. It sits in the Orthotic and Prosthetic Procedures and Devices section.
Does Medicare cover L6630?
The CMS HCPCS file marks L6630 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.