HCPCS Level II L3470: Heel, Thomas Extended to Ball - OpenPayer

Summary & Overview

HCPCS Level II L3470: Heel, Thomas Extended to Ball

HCPCS Level II code L3470 denotes a heel orthotic component described as “heel, thomas extended to ball.” This code identifies a lower-extremity orthotic device component used to provide structural support from the heel through the ball of the foot, commonly dispensed by durable medical equipment and orthotics suppliers. Nationally, accurate coding of orthotic components like L3470 matters for ensuring appropriate device selection, documentation, and reimbursement consistency across payers.

Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical purpose and typical sites of service for the device, along with payer coverage context and benchmarking implications where available. The publication summarizes common billing considerations, typical modifier use patterns (listed separately), and the role of this orthotic component within outpatient orthotics and DME workflows.

The content provides practical reference material: a clear definition of the device represented by L3470, which payers are commonly involved in coverage decisions, and what to expect in policy and billing practice at a national level. Data not available in the input will be noted where relevant.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareL3470HCPCS Level IIorthoticsfoot-ankledurable-medical-equipmentprosthetics-and-orthoticsbilling-codesmedical-coding

Billing Code Overview

HCPCS Level II code L3470 describes a heel, thomas extended to ball device. This item is an orthotic component designed to provide structural support extending from the heel to the ball of the foot. The service type is orthotic device — lower extremity foot/ankle support. The typical site of service is outpatient orthotics or durable medical equipment (DME) supply settings, including prosthetics and orthotics clinics and DME suppliers.

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A patient presents to a podiatry clinic with chronic posterior heel pain, abnormal rearfoot biomechanics, or a structural deformity requiring a modified heel orthosis. The billing code L3470 describes a heel component (Thomas extended to ball) used as part of a custom or prefabricated foot orthosis to provide extended medial/lateral support from the heel to the metatarsal heads. Typical patients include adults with posterior tibial tendon dysfunction, rigid pes planus with forefoot pain, Achilles tendinopathy with altered load distribution, or post‑operative rehabilitation after hindfoot procedures.

Workflow: The patient undergoes clinical evaluation by a podiatrist or orthotist including history, gait and deformity assessment, and weightbearing examination. If an orthotic device is indicated, the clinician documents functional limitations, treatment rationale, and measurements or casts. The heel component L3470 is selected and fabricated or assembled to extend support to the ball of the foot. The device is fitted, adjustments are made, and follow‑up is scheduled to document symptom response and any modifications. Medical necessity documentation links the ICD‑10 diagnosis to conservative care failure, functional impairment, or post‑operative needs.

Coding Specifications

Modifier	Description	When to Use
`11`

HCPCS L0650: Lumbar-Sacral Orthosis with Rigid Frame

HCPCS-L1040-LUMBAR-PAD-ADDITION-TO-CT-LSO-SCOLIOSIS-ORTHOSIS

HCPCS L1040: Lumbar Pad Addition to CTLSO or Scoliosis Orthosis

HCPCS-L1200-THORACIC-LUMBAR-SACRAL-ORTHOSIS-TLSO-INITIAL-FURNISH

HCPCS L1200: Thoracic-Lumbar-Sacral Orthosis (TLSO), Initial Furnish

HCPCS-L3984-WRIST-FRACTURE-ORTHOSIS-PREFABRICATED

HCPCS L3984: Upper Extremity Wrist Fracture Orthosis, Prefabricated

HCPCS-L0633-LUMBAR-SACRAL-ORTHOSIS-SAGITTAL-CORONAL-CONTROL

HCPCS L0633: Lumbar-Sacral Orthosis, Sagittal-Coronal Control

HCPCS-L0464-PREFABRICATED-TLSO-TRIPLANAR-MODULAR-SPINAL-ORTHOSIS

HCPCS L0464: Prefabricated TLSO, Triplanar Modular Spinal Orthosis

HCPCS-L1652-HIP-ORTHOSIS-BILATERAL-THIGH-CUFFS-ABDUCTOR-SPREADER

HCPCS L1652: Hip Orthosis with Bilateral Thigh Cuffs and Abductor Spreader Bar

HCPCS-L0482-CUSTOM-TLSO-RIGID-TRIPLANAR-ORTHOSIS

HCPCS L0482: Custom-Fabricated Rigid TLSO with Triplanar Control

HCPCS-L2760-LOWER-EXTREMITY-ORTHOSIS-EXTENSION-LINEAL-ADJUSTMENT-GROWTH

HCPCS L2760: Lower Extremity Orthosis Extension for Growth

HCPCS-L2820-LOWER-EXTREMITY-ORTHOSIS-SOFT-INTERFACE-BELOW-KNEE

HCPCS L2820: Lower Extremity Orthosis Soft Interface, Below-Knee

Showing 1–10 of 466

Taxonomy Code	Specialty	Notes
`206E00000X`	Podiatry	Primary specialty performing foot orthotic assessment, casting, and fitting.
`173W00000X`	Orthotics & Prosthetics	Clinicians who fabricate, modify, and dispense orthotic components like `L3470`.
`207K00000X`	Orthopedic Surgery	Orthopedic foot and ankle surgeons involved when orthoses are prescribed for surgical management or post‑op care.
`208800000X`	Physical Medicine & Rehabilitation	Physicians managing conservative care and rehabilitation plans that include orthotic devices.
`363L00000X`	Physical Therapy	Therapists who assess gait and recommend orthotic modifications and functional outcomes.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`M77.9`	Enthesopathy, unspecified	Heel and posterior foot pain requiring modified heel support to offload the plantar fascia and tendon insertions.
`M76.60`	Achilles tendinopathy, unspecified leg	`L3470` heel extension can alter load on the Achilles and redistribute forces.
`M21.6X1`	Acquired foot deformity, right foot	Structural deformities that necessitate extended heel support to the ball for pressure redistribution.
`M21.6X2`	Acquired foot deformity, left foot	As above, for the contralateral side when orthotic components are side‑specific.
`M24.2`	Disorder of ligament	Mid‑foot or rearfoot instability where an extended heel support improves alignment and symptom control.
`M79.671`	Pain in right foot	Symptom code commonly associated with prescribing orthotic modifications to address focal pain.
`M79.672`	Pain in left foot	Side‑specific foot pain prompting orthotic prescription.
`Z47.89`	Other orthopedic aftercare	Postoperative or post‑procedure aftercare in which a specialized heel component is provided for rehabilitation.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`99213`	Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutes	Common outpatient visit code for initial evaluation and documentation of need for an orthotic component like `L3470`.
`97760`	Orthotic management and training, initial orthosis	Used when the patient receives fitting, training, and adjustments for a lower‑extremity orthosis incorporating the `L3470` heel component.
`99456`	Work related or medical disability examination services (impairment evaluation), per report	Used when objective impairment assessment is performed to justify orthotic provision in occupational or disability contexts.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit or procedure	Used to report additional non‑standard materials associated with orthotic fabrication when payor requires separate reporting.
`97035`	Ultrasound therapy, each 15 minutes	Adjunctive therapy code often used in the conservative management plan preceding or alongside orthotic provision.

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