Summary & Overview
CPT 28226: Tenolysis of Extensor Tendons of Foot
CPT code 28226 represents tenolysis of the extensor tendons of the foot, a surgical procedure to free tendons from adhesions, restore motion, and alleviate pain. Nationally, this code is relevant to orthopaedic and podiatric surgical billing and utilization, as tenolysis addresses tendon dysfunction that can impair ambulation and quality of life. The code is typically billed for operative interventions performed in hospital outpatient departments or ambulatory surgery centers.
Key payers included in the coverage landscape are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of coding intent and clinical context, common billing modifiers and service-line considerations, and guidance on typical sites of service. The publication also outlines benchmarks and policy-relevant topics that affect authorization, medical necessity review, and reimbursement pathways for tendon-release procedures. Clinical context covers indications, expected outcomes such as improved tendon glide and pain reduction, and the procedural focus when multiple extensor tendons are addressed in a single operation.
This summary equips billing managers, surgical providers, and policy analysts with a concise reference to CPT code 28226, helping inform documentation, claim preparation, and payer discussions on coverage and medical necessity criteria.
Billing Code Overview
CPT code 28226 describes a surgical tenolysis of the extensor tendons of the foot, performed to release tendons from adhesions and restore gliding motion. The procedure is indicated when scar tissue or adhesions limit tendon mobility, causing pain or impaired function.
-
Service type: Operative, tendon release/tenolysis
-
Typical site of service: Hospital outpatient department or ambulatory surgery center, and may be performed in a surgical suite when indicated
Clinical & Coding Specifications
Clinical Context
A typical patient is a 45–65-year-old ambulatory adult presenting with progressive dorsal foot pain, restricted toe or foot extension, and loss of tendon glide after prior ankle/foot trauma, surgery, or chronic extensor tendinopathy. Conservative care (rest, NSAIDs, splinting, physical therapy, and possible steroid injection) has failed to restore function and pain control. Imaging (ultrasound or MRI) demonstrates adhesions or scar tethering of one or more extensor tendons over the dorsum of the foot.
The clinical workflow begins with an evaluation by a podiatrist or orthopedic foot and ankle surgeon, documentation of failed conservative management, and informed consent describing risks (infection, nerve injury, persistent stiffness). Preoperative planning includes review of imaging, marking of affected tendons, and scheduling in an outpatient ambulatory surgical center or hospital operating room. Intraoperatively, the surgeon performs tenolysis of multiple extensor tendons (CPT 28226), releasing adhesions to restore tendon glide. Postoperative care includes immobilization initially, a graduated rehabilitation program with hand/foot therapy, and follow-up visits to document functional gain and pain reduction.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | When intraoperative work is substantially greater than typical (extensive dissection or prolonged procedure time). |