CPT 25035 Incision of Infected Bone Reimbursement

CPT code 25035 denotes a surgical incision into infected bone of the forearm or wrist to manage conditions such as osteomyelitis or a focal bone abscess. This procedure is clinically significant because it addresses deep-seated infections that can threaten limb function and systemic health. Nationally, management of osteomyelitis and bone abscesses requires timely surgical intervention combined with antimicrobial therapy, making coding clarity important for clinical documentation and claims processing.

Key payers covered in this review include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of the procedure’s clinical context, common care settings, and the types of benchmarks and policy items typically examined for this code. The publication outlines expected service definitions, typical sites of service, and the kinds of performance and claims benchmarks that payers and providers monitor for surgical infectious-disease procedures of the distal upper extremity.

This summary prepares readers to understand reimbursement reporting, utilization patterns, and policy updates relevant to surgical management of forearm and wrist bone infections. Data not available in the input.

Billing Code Overview

CPT code 25035 describes an incision into infected bone of the forearm or wrist to treat conditions such as osteomyelitis or a bone abscess. This procedure is a surgical incision and drainage of infected bone aimed at removing purulent material and decompressing infected compartments within the distal upper extremity.

Service type: Surgical — incision and drainage of infected bone

Typical site of service: Operative setting involving the forearm or wrist

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Clinical Context

A 58-year-old patient presents to the emergency department with progressive swelling, severe pain, erythema, and purulent drainage of the distal forearm after a puncture wound two weeks earlier. Imaging (plain radiographs and MRI) demonstrates focal cortical destruction and subperiosteal abscess consistent with acute osteomyelitis of the distal radius. The surgical team evaluates the patient, obtains informed consent, and coordinates perioperative antibiotics with Infectious Diseases. In the operating room under regional or general anesthesia, the surgeon performs a surgical incision over the affected area, performs debridement and drainage of purulent material, and incises the involved bone cortex to evacuate the intramedullary and subperiosteal infected collections. Specimens are sent for Gram stain, aerobic/anaerobic culture, and pathology. Postoperative care includes wound management, possible placement of drains, adjustment of systemic antibiotics based on cultures, and outpatient infectious-disease follow-up for prolonged antibiotic therapy. Typical site of service is the operating room in a hospital or ambulatory surgery center. The service type is operative debridement with bone incision for treatment of forearm or wrist osteomyelitis/abscess, coded as 25035.

Coding Specifications

Modifier	Description	When to Use
`50`	Bilateral procedure	Use when identical procedures are performed on both the left and right forearm/wrist during the same operative session.

Taxonomy Code	Specialty	Notes
207V00000X	Orthopaedic Surgery	Orthopedic surgeons commonly perform debridement and bone incision for forearm/wrist osteomyelitis.
208800000X	General Surgery	General surgeons may perform debridement for complex limb infections in some settings.
207L00000X	Hand Surgery	Hand surgeons frequently manage forearm and wrist infections requiring bone incision and drainage.
163W00000X	Emergency Medicine	Emergency physicians frequently identify and triage patients for urgent operative management; they do not typically bill `25035`.
363A00000X	Infectious Disease	Infectious disease specialists provide perioperative antibiotic management and follow-up care.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`M86.17`	Acute osteomyelitis, other specified site, forearm	Direct indication for incision and drainage of infected bone in the forearm; commonly billed with `25035`.
`M86.1X`	Other acute osteomyelitis codes (site-specific)	Site-specific acute osteomyelitis codes guide localization for surgical billing and reimbursement; select the exact forearm/wrist code per chart.
`M86.172`	Acute hematogenous osteomyelitis, forearm	Indicates hematogenous acute infection of forearm bone requiring surgical intervention.
`L02.213`	Cutaneous abscess of forearm	Soft-tissue abscess that may coexist with or lead to underlying osteomyelitis; may be coded in addition to bone infection.
`T81.4XXA`	Infection following a procedure, initial encounter	Used when the bone infection is a postoperative complication requiring return to OR for incision and drainage.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`25035`	Incision of infected bone, forearm or wrist (e.g., osteomyelitis, abscess)	Primary procedure for incision and drainage of infected bone in the forearm/wrist.
`25030`	Incision and drainage, deep abscess, forearm or wrist; single or multiple	May be performed when deep soft-tissue abscess exists without direct bone incision or in conjunction with `25035` if soft-tissue drainage is needed.
`11042`	Debridement, muscle and/or fascia, with skin and subcutaneous tissue (first 20 sq cm or less)	May be billed for concomitant extensive soft-tissue debridement performed in addition to bony incision when documentation supports separate debridement work.
`20005`	Incision and drainage; soft tissue abscess or hematoma, forearm - (illustrative code; surgical region codes vary)	Used for soft-tissue I&D procedures of the forearm when billed separately from bone incision.
`20610`	Arthrocentesis, aspiration and/or injection; major joint or bursa (e.g., wrist)	May be performed preoperatively for diagnostic aspiration or postoperatively for joint management if clinically indicated.

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Summary & Overview

CPT 25035: Incision of Infected Bone, Forearm or Wrist