Summary & Overview
HCPCS L1730: Legg Perthes Orthosis, Scottish Rite, Custom Fabricated
HCPCS Level II code L1730 denotes a custom-fabricated Legg Perthes orthosis (Scottish Rite type), a specialized hip orthotic used to contain and stabilize the femoral head in patients with Legg-Calvé-Perthes disease or comparable hip pathology. Nationally, this code matters for durable medical equipment and orthotics reimbursement, coverage policy development, and care planning for pediatric and adult patients requiring custom hip support.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of coverage and billing considerations across major national payers, common billing modifiers used with orthotic device claims, typical sites of service for fitting and fabrication, and how L1730 fits into clinical care pathways for hip containment. The publication also provides benchmarks for utilization and reimbursement where available, explains documentation and coding considerations relevant to custom-fabricated orthoses, and highlights policy updates affecting orthotics coverage. Data not available in the input is noted where specific payer policies, associated taxonomies, ICD-10 diagnoses, related codes, or service line details are not provided.
Billing Code Overview
HCPCS Level II code L1730 describes a Legg Perthes orthosis (Scottish Rite type), custom fabricated. This code represents a custom-made orthopedic device designed to support and position the hip for patients with Legg-Calvé-Perthes disease or other hip disorders requiring containment and stabilization.
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Service type: Custom fabricated orthopedic hip orthosis
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Typical site of service: Orthotics clinic, outpatient orthopedic facility, pediatric orthotics lab, or specialized prosthetics and orthotics provider
Clinical & Coding Specifications
Clinical Context
A pediatric patient, typically aged 4–10 years, diagnosed with Legg‑Calvé‑Perthes disease presents to an orthopedic clinic for management of femoral head containment. After clinical evaluation and radiographic confirmation of femoral head flattening or fragmentation, the orthotist is referred to fabricate a custom Legg Perthes orthosis (Scottish Rite type) described by L1730. The clinical workflow includes: initial orthopedic evaluation and imaging (radiographs, possibly MRI), referral to orthotics, mold capture or 3D scanning of the lower torso and hips, fabrication of a custom thermoplastic orthosis with pelvic and femoral components, fitting and adjustment visit, caregiver education on wear schedule and skin checks, and scheduled follow‑up visits to assess containment, gait, and need for modification as the child grows. Typical site of service is an orthotics/prosthetics clinic or pediatric orthopedic outpatient clinic. Hospital outpatient departments and ambulatory surgery centers may be involved if multidisciplinary fitting or anesthesia for cast removal is required. Documentation includes diagnosis, prescription for a custom fabricated Legg Perthes orthosis L1730, measurements or casting records, fabrication notes, fitting report, and medical necessity justification referencing containment goals and functional limitations.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
RT |