L7403 HCPCS Reimbursement & Policy Benchmarks | OpenPayer

Summary & Overview

HCPCS L7403: Addition to Upper Extremity Prosthesis, Acrylic

HCPCS Level II code L7403 identifies an acrylic addition to an upper extremity prosthesis for below-elbow or wrist disarticulation fittings. The code captures a discrete prosthetic accessory intended to augment an existing prosthesis

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Billing Code Overview

HCPCS Level II code L7403 is an addition to an upper extremity prosthesis for below elbow or wrist disarticulation fittings, fabricated from acrylic material. This item is an accessory component intended to attach to an existing prosthetic socket or assembly to provide structural or cosmetic function for an upper limb prosthesis.

Service Type: Prosthetic accessory / addition to prosthesis

Typical Site of Service: Prosthetics clinic; outpatient orthotics and prosthetics facility; rehabilitation center

Clinical & Coding Specifications

Clinical Context

A 45-year-old patient with a traumatic transradial (below-elbow) amputation presents to a prosthetics clinic for fitting of an updated socket and cosmetic addition to their existing myoelectric prosthesis. The device requires an acrylic material cosmetic addition to the distal portion of the prosthesis to improve symmetry and patient satisfaction. The clinical workflow includes prosthetist evaluation, measurement and casting of the residual limb, fabrication of an acrylic cosmetic addition in the prosthetic lab, fitting and alignment, minor in-clinic adjustments, and patient education on use and care. Typical sites of service are outpatient prosthetics clinics, orthotics and prosthetics laboratories, and hospital-based prosthetics departments. The patient encounter may involve documentation of limb status, functional goals, prior prosthesis details, and confirmation that the addition is an accessory to a below-elbow/wrist disarticulation prosthesis rather than a primary device component.

Coding Specifications

Modifier	Description	When to Use
`11`	Office or other outpatient visit for evaluation and management	When the provider performs an E/M encounter related to the prosthetic service in an outpatient setting
`22`

HCPCS L5961: Endoskeletal Polycentric Hip Joint with Pneumatic/Hydraulic Control

HCPCS-L8658-INTERPHALANGEAL-JOINT-SPACER-SILICONE

HCPCS L8658: Interphalangeal Joint Spacer, Silicone or Equal

HCPCS-L5968-MULTIAXIAL-ANKLE-SWING-PHASE-ACTIVE-DORSIFLEXION

HCPCS L5968: Multiaxial Ankle with Swing Phase Active Dorsiflexion

HCPCS-L6039-PASSIVE-PROSTHETIC-DIGIT-THUMB-PROSTHESIS

HCPCS Level II L6039: Passive Prosthetic Digit or Thumb Prosthesis

HCPCS-L5634-LOWER-EXTREMITY-SYMES-POSTERIOR-CANADIAN-SOCKET

HCPCS L5634: Lower Extremity Symes-Type Posterior Opening (Canadian) Socket

HCPCS-L5988-LOWER-LIMB-PROSTHESIS-SHOCK-REDUCING-PYLON

HCPCS L5988: Lower Limb Prosthesis Vertical Shock-Reducing Pylon

HCPCS-L5617-QUICK-CHANGE-SELF-ALIGNING-LOWER-EXTREMITY-UNIT

HCPCS L5617: Quick Change Self-Aligning Lower Extremity Unit

HCPCS-L6910-PARTIAL-HAND-RESTORATION-GLOVE-NO-FINGERS

HCPCS L6910: Hand Restoration, Partial Hand with Glove, No Fingers Remaining

HCPCS-L6100-BELOW-ELBOW-MOLDED-SOCKET-FLEXIBLE-ELBOW-HINGE-TRICEPS-PAD

HCPCS L6100: Below-Elbow Molded Socket, Flexible Elbow Hinge, Triceps Pad

HCPCS-L5702-REPLACEMENT-HIP-DISARTICULATION-SOCKET-MOLDED-TO-PATIENT-MODEL

HCPCS L5702: Replacement Hip Disarticulation Socket, Molded to Patient Model

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Taxonomy Code	Specialty	Notes
`332B00000X`	Prosthetics & Orthotics	Primary specialty responsible for fabrication and fitting of prosthetic additions
`207L00000X`	Orthopedic Surgery	Surgeons who manage amputations and surgical interfaces with prostheses
`261QM0800X`	Physical Medicine & Rehabilitation	Clinicians who coordinate prosthetic rehab and functional goals
`208000000X`	Physical Therapy	Clinicians who provide gait and upper-extremity prosthetic training
`333600000X`	Occupational Therapy	Clinicians who train activities of daily living with the prosthesis

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`Z89.612`	Acquired absence of right forearm	Indicates a right below-elbow amputation; supports need for a below-elbow prosthetic addition
`Z89.611`	Acquired absence of left forearm	Indicates a left below-elbow amputation; supports need for a below-elbow prosthetic addition
`S48.1XXA`	Traumatic amputation of forearm, initial encounter	Represents acute traumatic cause of limb loss leading to prosthetic needs
`T87.89XA`	Infection and inflammatory reaction due to other internal prosthetic device, implant and graft, initial encounter	Relevant if prosthesis-related skin or soft tissue complications affect fitting and require modification
`G54.6`	Injury of nerves of upper limb	Peripheral nerve injury that may be associated with limb dysfunction and prosthetic fitting considerations

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`97760`	Orthotic management and training, upper extremity, initial encounter	Often performed before or after addition to train the patient on use and donning/doffing of the prosthesis
`97763`	Prosthetic training, upper limb prosthesis, initial encounter	Directly related to educating and training the patient in functional use after adding the acrylic cosmetic piece
`97750`	Physical performance test or measurement	Used to document baseline function and outcomes relevant to prosthetic modifications
`99070`	Supplies and materials (used by physicians)	May be used when physician/clinic supplies non-durable materials during fitting (check payer rules)
`97799`	Unlisted physical medicine/rehabilitation service or procedure	For unique or atypical prosthetic procedures not represented by standard codes (rare)

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