Summary & Overview
CPT 26516: Metacarpophalangeal/Proximal Phalanx Joint Stabilization, Single Digit
CPT code 26516 captures a focused hand surgery procedure that stabilizes an unstable joint between a metacarpal and the proximal phalanx by incising and tightening the joint capsule on a single digit. The code matters nationally because hand stability procedures affect functional outcomes, rehabilitation needs, and resource use across surgical and outpatient specialties.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise clinical context for the procedure, a summary of common billing considerations, and an overview of what to expect in payer coverage patterns and reimbursement benchmarking. The publication also outlines typical sites of service and procedural scope to aid coding accuracy and claims submission.
The report provides benchmarks and policy-relevant updates for billing and coverage, highlights common modifiers used with this code, and situates the procedure within hand surgery service lines. Data not available in the input is noted where applicable.
Billing Code Overview
CPT code 26516 describes a surgical procedure to treat instability of the joint between a metacarpal bone and the proximal phalanx by incising the joint capsule and attaching it with increased tension to the metacarpal and phalanx. This procedure is performed on a single digit.
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Service type: Hand surgery / reconstructive stabilization of the metacarpophalangeal or interphalangeal joint
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Typical site of service: Ambulatory surgery center or hospital operating room for outpatient or inpatient hand surgery
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult presenting with symptomatic instability of a single metacarpophalangeal (MCP) or interphalangeal (IP) joint of a finger following trauma or chronic ligamentous laxity. The patient reports recurrent subluxation, pain with gripping, and loss of function despite conservative care such as immobilization and hand therapy. Physical exam demonstrates increased passive joint translation and pain at end range. Imaging (X-ray and, when indicated, ultrasound or MRI) excludes fracture and assesses soft-tissue injury. After failure of nonoperative treatment, the hand surgeon schedules operative stabilization under regional block or general anesthesia in an ambulatory surgery center or hospital outpatient setting.
The surgical workflow includes preoperative marking and timeout, sterile preparation, and a longitudinal or curvilinear incision over the affected joint. The joint capsule and supporting ligaments are inspected; capsular imbrication is performed by incising and advancing the capsule and suturing it with increased tension to the metacarpal and proximal phalanx to restore joint stability for a single digit. Wound closure and dressing follow, with postoperative immobilization in a splint. Typical postoperative care includes sling or volar splinting, wound checks, and hand therapy focused on range of motion and strengthening once stability is achieved.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
LT | Left side | When the procedure is performed on a left finger/digit. |