Summary & Overview
CPT 23465: Posterior Shoulder Capsular Repair
CPT code 23465 denotes surgical repair of the posterior shoulder capsule to restore joint stability. This procedure is used when posterior capsular laxity or tears contribute to recurrent instability or dislocation, and it can be performed as an isolated operation or alongside other shoulder procedures in complex cases. Nationally, accurate coding of capsular repair affects case classification, surgical quality metrics and payment for orthopedic shoulder care.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare and Medicare. Readers will find a concise clinical context for the procedure, typical sites of service, and the payer landscape covered. The publication summarizes expected billing patterns and common modifiers used with this type of surgical shoulder procedure, highlights benchmarking elements payers often track, and outlines areas where policy updates or payer-specific rules can affect coverage and claims processing.
This summary is intended for clinicians, coding professionals, and policy analysts seeking to understand the clinical purpose of CPT code 23465, how it is positioned within surgical shoulder care, and the payer environments that commonly influence reimbursement and utilization reporting.
Billing Code Overview
CPT code 23465 describes repair of the posterior capsule or membrane of the shoulder joint to improve shoulder stability. The procedure focuses on tightening or reconstructing the posterior capsular structures to address instability or recurrent dislocation, and may be performed alone or in conjunction with other shoulder surgeries when the shoulder condition is severe.
Service type: Surgical — shoulder capsular repair
Typical site of service: Hospital outpatient department or ambulatory surgery center (inpatient setting possible if performed with other major procedures)
Clinical & Coding Specifications
Clinical Context
A 28-year-old recreational rugby player presents with recurrent posterior shoulder subluxation and pain after multiple posterior-directed traumatic events. Physical exam demonstrates posterior instability with positive jerk test and apprehension. MRI arthrogram confirms posterior capsular laxity with a partial posterior labral tear. Conservative management including physical therapy and activity modification fails over 6 months. The orthopedic surgeon schedules an open or arthroscopic posterior capsular repair to restore stability and reduce recurrent subluxation events. Perioperative workflow includes preoperative imaging review, informed consent discussing risks and benefits, general anesthesia, intraoperative localization and repair of the posterior capsule (often with suture anchors), possible concurrent labral repair or rotator cuff work if indicated, postoperative immobilization in a sling, and structured rehabilitation starting with passive range of motion and progressing to strengthening over several months.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when work, time, or complexity significantly exceeds typical for 23465 and documentation supports increased effort. |