Summary & Overview
HCPCS L1660: Hip Orthosis, Abduction Control, Prefabricated
HCPCS Level II code L1660 denotes a prefabricated, static plastic hip orthosis that provides abduction control of the hip joints and includes fitting and adjustment. This orthotic product is used to maintain hip positioning and limit undesired motion for conditions that require abduction support, making it clinically relevant for orthotics programs, post-operative care, and certain musculoskeletal or neuromuscular disorders. Nationally, standardized coding for such durable medical equipment supports consistent claims processing and clinical documentation.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of coverage considerations, common billing practices, and the clinical contexts in which L1660 is typically used. The publication summarizes payer approaches to prefabricated orthoses, highlights reimbursement and coding nuances, and provides practical clarity on service classification and typical sites of service. Where specific payer policy language or benchmarking data are not provided in the source input, the report notes the absence of that data. This summary is intended for billing professionals, orthotics clinicians, and policy analysts seeking a concise national view of HCPCS Level II code L1660.
Billing Code Overview
HCPCS Level II code L1660 describes a hip orthosis with abduction control of the hip joints. The device is static, constructed of plastic, and is prefabricated; the service includes fitting and adjustment as part of the supply.
Service type: Orthotic supply and fitting
Typical site of service: Outpatient orthotics/prosthetics clinic or ambulatory clinic, and may also be provided in outpatient rehabilitation settings where orthotic devices are dispensed and adjusted.
Clinical & Coding Specifications
Clinical Context
A typical patient is a 6–12 month-old infant evaluated in a pediatric orthopedics clinic after diagnosis of developmental dysplasia of the hip (DDH) or hip instability. The orthotist and pediatric orthopedic surgeon collaborate to fit a prefabricated static plastic hip orthosis with abduction control (L1660) following closed reduction or as a nonoperative management strategy for stable redistribution of the femoral head. The workflow includes initial clinical evaluation and imaging (ultrasound for infants or radiographs for older children), measurement for brace sizing, delivery and fitting of the prefabricated device, patient/caregiver education on wear schedule and skin monitoring, and documentation of fitting and adjustment time. Follow-up visits occur at 1–2 weeks to check fit and skin integrity, and at regular intervals to assess hip alignment with imaging and adjust therapy or transition to other devices as clinically indicated. Typical site of service is an outpatient orthopedic clinic or orthotics/prosthetics facility; the device may be provided at a hospital outpatient department when delivered at the time of a surgical admission, or in an ambulatory surgery center when provided postoperatively.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
LT | Left side | When the orthosis is fitted for the left hip. |