Summary & Overview
CPT 24134: Debridement of Abscessed Humeral Shaft or Distal Humerus
CPT code 24134 denotes surgical debridement of an abscessed humeral shaft or distal humerus with removal of necrotic bone to contain and treat local infection. This procedure addresses osteomyelitis or bone sequestra in the humerus and is clinically important because timely surgical management can limit spread of infection, preserve limb function, and reduce systemic complications. Nationally, surgical debridement codes like 24134 are relevant to hospital, outpatient surgery, and orthopedic service lines.
Key payers in the analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical role of the procedure, expected sites of service, and the payer landscape covered. The publication also outlines typical documentation and coding considerations, related procedural groupings, and where to look for policy updates or coverage guidance. Benchmarks and utilization patterns are summarized where available; if specific payer coverage details or benchmarks are not present in the input, those fields are noted as unavailable. The content is designed to inform coding, billing, and clinical teams about the purpose of CPT code 24134, common care settings, and the payer mix relevant for national planning and policy review.
Billing Code Overview
CPT code 24134 describes a surgical procedure in which the provider accesses an abscessed area of the humeral shaft or distal humerus and removes necrotic bone to limit spread of infection. The procedure focuses on debridement of infected or nonviable bone tissue within the humerus.
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Service type: Surgical debridement of humeral bone
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Typical site of service: Operating room or surgical suite, typically in an inpatient or outpatient surgical setting depending on clinical severity and patient comorbidity
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Clinical & Coding Specifications
Clinical Context
A middle-aged patient presents with progressive right upper arm pain, swelling, and intermittent drainage after a prior open fracture repair of the distal humerus. Examination shows localized tenderness over the humeral shaft, erythema, a draining sinus, and decreased range of motion at the elbow. Imaging (plain radiographs and MRI or CT) demonstrates sequestrum formation and focal cortical destruction consistent with chronic osteomyelitis of the humeral shaft with an associated subperiosteal abscess. Laboratory studies show elevated inflammatory markers.
The orthopaedic surgeon schedules a surgical debridement of the infected bone and evacuation of the abscess under general anesthesia. Intraoperative steps include incision and drainage of the abscessed area, debridement/removal of necrotic bone (sequestrectomy) of the humeral shaft or distal humerus, irrigation, possible placement of antibiotic-impregnated beads or a temporary spacer, and collection of multiple cultures and tissue specimens for microbiology and pathology. Postoperative care includes targeted intravenous antibiotics guided by culture results and wound management, with possible staged reconstruction if large bone defects remain.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when extensive debridement or unusually complex removal of necrotic bone significantly increases the work beyond typical for . |