Summary & Overview
CPT 26536: Interphalangeal Joint Reconstruction or Replacement
CPT code 26536 covers surgical reconstruction or replacement of one or more interphalangeal joints with an artificial implant. The procedure addresses deformity, chronic inflammation, and functional impairment—commonly performed for arthritis or after traumatic injury—and is performed in operating-room settings such as ambulatory surgical centers or hospitals. Nationally, procedures like these are clinically significant because they directly affect hand and digit function, postoperative rehabilitation needs, and downstream costs related to durable medical equipment and therapy.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical indications and sites of service, standard billing context for CPT code 26536, and what to expect in payer coverage discussions. The publication summarizes common billing considerations, typical modifier usage (listed separately), and areas where policy updates or payer guidelines commonly influence authorization and reimbursement. Clinical context covers the goals of the surgery—pain reduction, deformity correction, and functional improvement—while operational context addresses where the service is typically delivered and which specialties perform it.
Data not available in the input for associated taxonomies, ICD-10 diagnoses, and related codes is noted elsewhere in the full publication.
Billing Code Overview
CPT code 26536 describes surgical reconstruction or replacement of one or more interphalangeal joints using an artificial implant. This procedure is typically performed to correct deformity, reduce inflammation, and improve finger or toe function in patients with arthritis or sequelae of prior injury.
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Service type: Surgical joint reconstruction/replacement of interphalangeal joint(s).
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Typical site of service: Ambulatory surgical center or hospital operating room, often performed by an orthopedic or hand surgery specialist.
Clinical & Coding Specifications
Clinical Context
A 64-year-old right-handed woman with a multi-year history of osteoarthritis and progressive pain, stiffness, and deformity of the proximal interphalangeal joint of the right index finger presents for evaluation after conservative care (splinting, NSAIDs, corticosteroid injections) failed to provide durable relief. Examination shows joint swelling, reduced range of motion, and functional limitations performing activities of daily living. Preoperative imaging (hand radiographs) demonstrates joint space narrowing, osteophyte formation, and subchondral sclerosis consistent with end-stage osteoarthritis of the interphalangeal joint. The surgeon schedules surgical reconstruction with implantation of a silicone or pyrocarbon interphalangeal joint prosthesis.
Perioperative workflow: preoperative medical clearance and focused hand surgery informed consent are obtained. On the day of surgery in an outpatient ambulatory surgery center or hospital operating room, regional block or general anesthesia is administered. The surgeon performs exposure of the interphalangeal joint, resects damaged articular surfaces, prepares bone canals, and implants the artificial interphalangeal joint. Hemostasis is achieved, soft tissues are repaired, and a sterile dressing and protective splint are applied. Postoperative care includes short-term immobilization, pain control, wound checks, and early supervised hand therapy to restore range of motion and function. Follow-up visits occur at 2 weeks, 6 weeks, and routine intervals up to 1 year to assess implant position, pain, motion, and complications such as infection, implant loosening, or stiffness.
Coding Specifications
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