HCPCS L6711: Pediatric Mechanical Voluntary-Opening Hook Terminal Device - OpenPayer

Summary & Overview

HCPCS L6711: Pediatric Mechanical Voluntary-Opening Hook Terminal Device

HCPCS Level II code L6711 designates a pediatric mechanical, voluntary-opening terminal device (hook) used as an upper-extremity prosthetic component. The code captures devices of any material or size and may be lined or unlined. Nationally, this code is relevant to pediatric prosthetic care, durable medical equipment billing, and coverage policies affecting children requiring terminal devices for functional use.

Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical purpose and typical settings for L6711, along with what payers commonly consider for coverage and billing. The publication outlines typical service lines and sites of service, benchmark framing for utilization and reimbursement (where available), and policy context that may affect prior authorization and claims adjudication.

The article provides actionable reference material for billing staff, prosthetists, and clinical administrators: a clear description of the device represented by L6711, common documentation expectations, and where this service typically appears on an encounter. Data not available in the input is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareL6711HCPCS Level IIpediatric prostheticsterminal devicemechanical hookdurable medical equipmentprosthetics billingoutpatient prostheticsdevice coding

Billing Code Overview

HCPCS Level II code L6711 describes a terminal device, hook, mechanical, voluntary opening, intended for pediatric patients. The code covers devices of any material and any size, and may be lined or unlined.

Service Type: Durable medical equipment — upper extremity prosthetic/orthotic terminal device

Typical Site of Service: Outpatient prosthetics/orthotics clinic, DME supplier location, pediatric rehabilitation center, or hospital outpatient department

Clinical & Coding Specifications

Clinical Context

A pediatric patient with congenital or acquired upper limb deficiency is evaluated by a pediatric prosthetics clinic for a voluntary-opening mechanical hook terminal device. The child is seen by a pediatric physiatrist, occupational therapist, and certified prosthetist-orthotist. Clinic workflow: initial evaluation includes measurement, functional assessment, and gait/bolster testing of prosthetic suspension; orders for a custom-fitted terminal device L6711 are placed by the treating clinician; the prosthetist fabricates or orders the device, performs a fitting visit to assess alignment, suspension, and voluntary opening function, and provides caregiver training and follow-up plans. Subsequent visits include adjustments, repairs, or replacement as the child grows or as wear occurs. Typical site of service is an outpatient prosthetics clinic, orthotics and prosthetics facility, or pediatric rehabilitation clinic. Typical patient scenario: a 6-year-old with unilateral transradial congenital limb difference who requires a pediatric-sized, lined voluntary-opening mechanical hook to support activities of daily living and school participation; documentation includes limb measurement, functional goals, justification for pediatric sizing, and clinician signature authorizing L6711 and any associated fabrication or fitting services.

Coding Specifications

Modifier	Description	When to Use
`26`

HCPCS L6300: Shoulder Disarticulation Prosthetic Assembly, Molded Socket

HCPCS-L7700-PROSTHETIC-SOCKET-GASKET-SEAL

HCPCS L7700: Gasket or Seal for Prosthetic Socket Insert, Each

HCPCS-L5987-LOWER-EXTREMITY-PROSTHESIS-SHANK-FOOT-VERTICAL-LOADING-PYLON

HCPCS L5987: Lower Extremity Prosthesis, Shank-Foot with Vertical Loading Pylon

HCPCS-L5665-BELOW-KNEE-MULTI-DUROMETER-SOCKET-INSERT

HCPCS L5665: Below-Knee Multi-Durometer Socket Insert

HCPCS-L5520-PREPARATORY-BELOW-KNEE-PTB-SOCKET-PYLON-SACH-FOOT

HCPCS L5520: Preparatory Below-Knee PTB Socket with Pylon and SACH Foot

HCPCS-L8689-EXTERNAL-RECHARGING-SYSTEM-IMPLANTABLE-NEUROSTIMULATOR-REPLACEMENT

HCPCS L8689: External Recharging System for Implantable Neurostimulator, Replacement Only

HCPCS-L6955-ABOVE-ELBOW-MYOELECTRIC-PROSTHESIS-EXTERNALLY-POWERED

HCPCS L6955: Above-Elbow Externally Powered Myoelectric Prosthesis

HCPCS-L8485-PROSTHETIC-SOCK-UPPER-LIMB-FITTING-SINGLE-PLY

HCPCS L8485: Prosthetic Sock, Single-Ply, Upper Limb Fitting

HCPCS-L5814-ENDOSKELETAL-KNEE-SHIN-POLYCENTRIC-HYDRAULIC-SWING-LOCK

HCPCS L5814: Endoskeletal Knee-Shin Addition, Polycentric Hydraulic Swing/Lock

HCPCS-L5450-NON-WEIGHT-BEARING-RIGID-DRESSING-BELOW-KNEE

HCPCS L5450: Non-Weight Bearing Rigid Dressing, Below Knee

Showing 1–10 of 472

Taxonomy Code	Specialty	Notes
`254E00000X`	Orthotist/Prosthetist	Primary provider for device selection, fitting, and adjustments.
`261QM0800X`	Physical Medicine & Rehabilitation Physician (Physiatry)	Evaluates functional needs, documents medical necessity, and orders prosthetic device.
`364SP0800X`	Occupational Therapist	Provides training, functional assessment, and therapy for device use.
`207K00000X`	Pediatrician	Provides pediatric clearance, growth monitoring, and coordination of care.
`207L00000X`	Pediatric Orthopedic Surgeon	In cases with concurrent surgical management or residual limb issues requiring surgical input.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`Q71.1`	Congenital absence of forearm	Common congenital indication for a pediatric upper-extremity voluntary-opening terminal device.
`Q71.2`	Reduction deformity of forearm	Associated congenital limb differences where a prosthetic hook may assist function.
`S48.112A`	Partial traumatic amputation of right forearm, initial encounter	Acquired indication where a pediatric hook may be fitted after trauma.
`S48.111A`	Partial traumatic amputation of left forearm, initial encounter	As above, for left-sided injuries necessitating prosthetic fitting.
`Z44.3`	Presence of other external prosthetic device of upper limb	General status code used to indicate presence of or need for an upper-limb prosthesis such as `L6711`.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`97760`	Orthotic(s) management and training, initial encounter, each 15 minutes	Used for patient training and functional education when a pediatric terminal device `L6711` is issued.
`97763`	Orthotic/prosthetic management and training, upper extremity, initial prosthetic training, each 15 minutes	Used for prosthetic training specific to upper-extremity device fitting and functional use.
`99070`	Supplies and materials (except spectacles) provided by the physician over and above those usually included with the office visit or procedure	Billed for additional nonroutine supplies provided at the fitting visit for `L6711` (per payer rules).
`97755`	Assistive technology assessment/evaluation, initial, face-to-face with the patient; requires high level professional assessment	Used when a comprehensive assistive technology evaluation is performed to justify device choice and custom features.
`99072`	Additional supplies, materials, and clinical staff time over and above those usually included in the office visit, due to COVID-19 or other requirements	Use per payer guidance when applicable to extended infection control or sanitation procedures during device fitting.

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