CPT 29505: Long Leg Splint Application for Leg Injuries - OpenPayer

Summary & Overview

CPT 29505: Long Leg Splint Application for Leg Injuries

CPT code 29505 denotes the application of a long leg splint to immobilize the entire leg from thigh to ankle or foot for injuries such as fractures, dislocations, and severe sprains. This procedure is commonly performed in emergency departments, urgent care centers, and outpatient orthopaedic clinics as an initial stabilization measure prior to definitive management. Nationally, accurate coding for splint application affects clinical workflow documentation, triage and disposition decisions, and appropriate facility and professional billing.

Key payers addressed in this summary include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for 29505, typical sites of service, and how this code relates to adjacent procedures such as short leg splints and casts. The publication summarizes common use cases, relevant diagnosis pairings, and the types of clinical encounters in which the code is most frequently assigned.

This resource is intended to clarify the clinical scenario captured by 29505, outline expected care settings, and point to related procedure codes for comparison. Data not available in the input is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareCPT 29505long leg splintleg immobilizationorthopaedicsemergency medicinesplint applicationprocedure codinglower extremity injuryambulatory care

Billing Code Overview

CPT code 29505 describes the application of a long leg splint used to immobilize the entire leg from the top of the thigh down to the ankle and/or foot. The service addresses injuries such as fractures, dislocations, and sprains of the leg, knee, and ankle by providing temporary stabilization.

Service Type: Splint application / Immobilization

Typical Site of Service: Emergency department, urgent care, or outpatient orthopaedic clinic

Clinical & Coding Specifications

Clinical Context

A 32-year-old patient presents to the emergency department after a fall while playing recreational sports, reporting severe right lower leg pain and inability to bear weight. Physical exam demonstrates swelling and localized tenderness over the distal tibia with preserved distal neurovascular status. Plain radiographs confirm an undisplaced distal tibial fracture. The emergency physician or orthopaedic trauma surgeon provides analgesia, performs a neurovascular check, applies a long leg splint to immobilize the entire limb from the proximal thigh to the ankle/foot, and arranges orthopedic follow-up for definitive management. Typical workflow: triage → focused history and exam → pain control and neurovascular assessment → radiographs → application of 29505 long leg splint for immobilization → discharge with wound/splint care instructions and outpatient orthopaedic appointment (or admission if operative management planned). Typical site of service: Emergency Department or Ambulatory Orthopaedic Clinic. Service type: Splint application / temporary immobilization for tibial shaft or distal tibial fractures, dislocations, or severe sprains.

Coding Specifications

Modifier	Description	When to Use
`25`	Significant, separately identifiable evaluation and management service on same day	Use when a qualifying E/M visit is performed and documented separately from splint application.

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Showing 1–10 of 191

Taxonomy Code	Specialty	Notes
`207X00000X`	Orthopaedic Surgery	Orthopaedic surgeons commonly apply long leg splints in clinic or OR as temporary immobilization.
`207XX0004X`	Orthopaedic Trauma	Orthopaedic trauma specialists manage acute fractures and apply long leg splints for stabilization.
`207P00000X`	Emergency Medicine Physician	Emergency physicians frequently apply `29505` splints in the ED for initial fracture management.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`S82.401A`	Unspecified fracture of lower end of right tibia, initial encounter for closed fracture	Distal right tibial fracture commonly immobilized with a long leg splint for pain control and fracture stability.
`S82.402A`	Unspecified fracture of lower end of left tibia, initial encounter for closed fracture	Distal left tibial fracture requiring immobilization pending definitive care.
`S82.301A`	Unspecified fracture of shaft of right tibia, initial encounter for closed fracture	Tibial shaft fractures often require long leg immobilization to limit knee and ankle motion.
`S82.302A`	Unspecified fracture of shaft of left tibia, initial encounter for closed fracture	Left tibial shaft fracture indication for long leg splint to stabilize until further treatment.
`M84.461A`	Pathological fracture, right tibia, initial encounter for fracture	Pathologic tibial fractures require immobilization; splinting is used as initial management while evaluating underlying bone disease.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`29405`	Application of short leg cast (below knee to toes)	Alternative immobilization used for distal lower extremity fractures when cast is appropriate instead of a long leg splint.
`29515`	Application of short leg splint (calf to foot)	Shorter splint option for injuries limited to below-knee structures; may be used when long leg immobilization is not required.
`29125`	Application of short arm splint (forearm to hand); static	Example of splinting in the upper extremity; included for coding cross-reference of splint application services.
`99213`	Established patient office or other outpatient visit, typically 15 minutes	Common E/M code used when an outpatient follow-up visit or office evaluation accompanies splint application or assessment.

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