Summary & Overview
CPT 26489: Palmar Tendon Transfer or Transplant with Free Tendon Graft
CPT code 26489 represents a specialized hand surgery: transfer or transplant of a tendon in the palmar area using a free tendon graft. This procedure is clinically important for restoring hand and finger function after traumatic injury, degenerative conditions, or failed prior repairs. Nationally, CPT code 26489 is relevant to surgical practices, hand and orthopedic specialists, ambulatory surgery centers, and hospital operating rooms due to its technical complexity and implications for functional recovery.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context and typical sites of service, along with benchmark and policy-focused sections that address reimbursement patterns, common billing modifiers, and documentation considerations tied to tendon transfer with free grafting. The publication outlines expected coding intent, typical care pathways surrounding the procedure, and points of payer sensitivity that influence authorization and claim adjudication.
This summary equips clinicians, billers, and policy analysts with a clear understanding of what CPT code 26489 denotes, why it matters for functional outcomes and resource use, and the types of administrative and clinical details that commonly accompany claims for palmar tendon transfer with a free tendon graft.
Billing Code Overview
CPT code 26489 describes a surgical procedure to transfer or transplant a tendon in the palmar (palm) area of the hand using a free tendon graft. The procedure involves harvesting a tendon graft and using it to replace, augment, or reroute tendon function within the palmar region to restore motion, strength, or alignment of the fingers or thumb.
Service type: Surgical — tendon transfer/transplant with free tendon graft
Typical site of service: Operating room or ambulatory surgical center (hand surgery setting)
Clinical & Coding Specifications
Clinical Context
A typical patient is a 35–60-year-old adult presenting with loss of finger flexion or chronic extensor/flexor tendon insufficiency after trauma, laceration, failed primary repair, or tendon degeneration in the palmar hand. The patient has persistent functional deficit of digit flexion (for example, inability to flex the proximal interphalangeal or distal interphalangeal joints) despite conservative measures and prior repairs. Preoperative evaluation includes history, focused hand and wrist exam, imaging as needed (ultrasound or MRI to assess tendon integrity and scarring), and discussion of graft options.
The clinical workflow: the patient is scheduled for operative tendon reconstruction. Under regional block or general anesthesia in an ambulatory surgery center or hospital operating room, the surgeon exposes the injured tendon sheath and tendon ends in the palmar hand, releases adhesions, obtains a free tendon graft (commonly palmaris longus or extensor tendon graft), and transfers or transplants the graft to restore continuity and function. Intraoperative adjuncts include irrigation, hemostasis, and possible tenodesis or pulley reconstruction. Postoperative care involves splinting, hand therapy with staged mobilization, pain control, and surveillance for infection or graft failure. Typical sites of service are the hospital outpatient department or ambulatory surgery center; inpatient admission is uncommon but possible for complex reconstructions or concurrent procedures.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
LT |