L6384 — Immediate post surgical or early fitting, application of initial rigid dressing including fitting alignment and suspension of components, and one cast change, shoulder disarticulation or interscapular thoracic
L6384 is a HCPCS Level II code for immediate post surgical or early fitting, application of initial rigid dressing including fitting alignment and suspension of components, and one cast change, shoulder disarticulation or interscapular thoracic. 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 L6384 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 L6384
- Long descriptor
- Immediate post surgical or early fitting, application of initial rigid dressing including fitting alignment and suspension of components, and one cast change, shoulder disarticulation or interscapular thoracic
- Short descriptor
- Postop dsg cast chg shlder/t
- Added
- January 1, 1988
- 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 L6384
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If L6384 is not quite right, the correct code is very often within a few positions of it.
- L6300Shoulder disarticulation, molded socket, shoulder bulkhead, humeral section, internal locking elbow, forearm
- L6310Shoulder disarticulation, passive restoration (complete prosthesis)
- L6320Shoulder disarticulation, passive restoration (shoulder cap only)
- L6350Interscapular thoracic, molded socket, shoulder bulkhead, humeral section, internal locking elbow, forearm
- L6360Interscapular thoracic, passive restoration (complete prosthesis)
- L6370Interscapular thoracic, passive restoration (shoulder cap only)
- L6380Immediate post surgical or early fitting, application of initial rigid dressing, including fitting alignment and suspension of components, and one cast change, wrist disarticulation or below elbow
- L6382Immediate post surgical or early fitting, application of initial rigid dressing including fitting alignment and suspension of components, and one cast change, elbow disarticulation or above elbow
- L6386Immediate post surgical or early fitting, each additional cast change and realignment
- L6388Immediate post surgical or early fitting, application of rigid dressing only
- L6400Below elbow, molded socket, endoskeletal system, including soft prosthetic tissue shaping
- L6450Elbow disarticulation, molded socket, endoskeletal system, including soft prosthetic tissue shaping
- L6500Above elbow, molded socket, endoskeletal system, including soft prosthetic tissue shaping
- L6550Shoulder disarticulation, molded socket, endoskeletal system, including soft prosthetic tissue shaping
- L6570Interscapular thoracic, molded socket, endoskeletal system, including soft prosthetic tissue shaping
- L6580Preparatory, wrist disarticulation or below elbow, single wall plastic socket, friction wrist, flexible elbow hinges, figure of eight harness, humeral cuff, bowden cable control, usmc or equal pylon, no cover, molded to patient model
Questions about L6384
What is HCPCS code L6384?
L6384 is a HCPCS Level II code for immediate post surgical or early fitting, application of initial rigid dressing including fitting alignment and suspension of components, and one cast change, shoulder disarticulation or interscapular thoracic. It sits in the Orthotic and Prosthetic Procedures and Devices section.
Does Medicare cover L6384?
The CMS HCPCS file marks L6384 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.