Summary & Overview
CPT 23605: Closed Treatment of Surgical/Anatomical Neck Fracture of Humerus
CPT code 23605 covers the closed treatment of surgical or anatomical neck fractures of the proximal humerus, involving manipulation or adjustment of the fractured bone with or without skeletal traction when open surgery is not indicated. This code is important nationally because proximal humerus fractures are common in trauma and fall-related care, and proper coding ensures appropriate classification of non‑operative fracture management across care settings. Key payers included in typical coverage discussions are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare.
Readers will find clinical context for when closed treatment is coded instead of open fixation, typical sites of service where the procedure is delivered, and what to expect in billing practice for non‑operative management of proximal humerus neck fractures. The publication outlines benchmarks and payment considerations, highlights common modifier usage patterns, and summarizes areas where policy updates can affect coding and reimbursement. Data not available in the input for specific payer rate benchmarks and associated ICD‑10 diagnoses is noted where relevant.
Billing Code Overview
CPT code 23605 describes a closed treatment of a surgical or anatomical neck fracture of the upper end of the humerus. The procedure involves manipulation or adjustment of the fractured bone, with or without skeletal traction, when open surgical fixation is not required.
Service type: Closed fracture treatment (non‑open reduction), upper humerus
Typical site of service: Hospital outpatient department, emergency department, or ambulatory surgery center
Clinical & Coding Specifications
Clinical Context
A typical patient is an older adult who presents to the emergency department after a fall onto an outstretched hand or direct shoulder impact. The patient reports acute shoulder pain, visible deformity or swelling, and limited active range of motion. Initial evaluation includes focused shoulder and neurovascular exam, plain radiographs (AP and lateral or scapular Y views) to confirm a displaced or nondisplaced fracture of the surgical or anatomical neck of the proximal humerus. When imaging and exam indicate a fracture amenable to closed management, the orthopedic surgeon or emergency physician performs a closed reduction. The procedure consists of analgesia and/or regional block, gentle manipulation and traction to realign the fracture fragments, immobilization with a sling, shoulder immobilizer, or cast, and post-reduction radiographs to confirm acceptable alignment. Follow-up scheduling for repeat imaging and potential conversion to operative fixation is arranged. Typical sites of service include the emergency department, ambulatory surgical center for urgent closed reductions under conscious sedation, or an orthopedic clinic procedure room when performed urgently but not emergently.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
11 | Physician or other qualified health care professional service | Primary service provider performing the closed treatment when reporting an office or surgical service |