Summary & Overview
HCPCS Q4048: Pediatric Short Leg Fiberglass Splint
HCPCS Level II code Q4048 covers pediatric short leg fiberglass splints for patients aged 0–10 years. This supply code is used when a fiberglass short leg splint is provided to immobilize lower-extremity injuries in young children. Nationally, cast and splint supply codes matter because they affect billing for common acute orthopedic treatments delivered in emergency departments, urgent care centers, and outpatient clinics, influencing facility and professional reimbursement workflows.
Key payers in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the code, typical clinical uses, and the service settings where the supply is commonly provided. The publication outlines common modifiers and administrative considerations relevant to claims processing, summarizes typical payer coverage patterns where available, and situates the code within the broader clinical context of pediatric immobilization supplies.
The content is intended to help billing specialists, practice managers, and policy analysts understand the purpose of Q4048, recognize appropriate service settings, and identify what information is typically needed for accurate claim submission. Data not available in the input is noted where necessary.
Billing Code Overview
HCPCS Level II code Q4048 describes cast supplies, short leg splint, pediatric (0-10 years), fiberglass. The service represents provision of a prefabricated or custom short leg fiberglass splint designed for pediatric patients up to 10 years of age.
-
Service type: Supply of orthopedic immobilization device for short leg splinting
-
Typical site of service: Ambulatory clinic, urgent care, emergency department, or outpatient orthopedic setting
Clinical & Coding Specifications
Clinical Context
A 7-year-old child presents to a pediatric urgent care clinic after an ankle inversion injury sustained while playing soccer. The child has localized distal lower-leg pain, swelling, and point tenderness over the lateral malleolus. Weight-bearing is limited due to pain. Plain radiographs are performed and show no displaced fracture but clinical exam and imaging are consistent with a nondisplaced distal fibular fracture or severe ankle sprain requiring immobilization. The clinician selects a pediatric short leg fiberglass splint and applies cast supplies appropriate for a child aged 0–10 years, using padding, stockinette, fiberglass splint material, and securing bandages to immobilize the ankle in neutral position.
The clinical workflow includes triage and assessment, history and focused musculoskeletal exam, radiography if indicated, selection of immobilization method, application of a short leg splint using pediatric-sized fiberglass materials, patient/caregiver education on care and follow-up, and documentation of the device supplied. The encounter is typically performed in an outpatient clinic, urgent care center, emergency department, or pediatric orthopedic clinic. The supply code Q4048 is used to bill the fiberglass short leg splint supplies for the pediatric patient.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
LT | Left side |