Summary & Overview

CPT 29823: Arthroscopic Shoulder Debridement, Extensive Intra-articular Excision

Headline: CPT code 29823: Arthroscopic shoulder debridement for extensive intra-articular tissue damage

Lead: CPT code 29823 represents arthroscopic evaluation and extensive excision of damaged tissue inside the shoulder joint after trauma; the code captures operative shoulder arthroscopy with removal of significant intra-articular pathology and is commonly used in orthopedic surgical billing nationwide.

CPT code 29823 matters because it defines a specific, operative arthroscopic intervention for traumatic shoulder injury that influences clinical documentation, surgical resource use, and payer coverage decisions across the ambulatory and hospital outpatient settings. Key payers referenced in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. The code is relevant to surgeons, coding and billing teams, and policy analysts tracking procedural utilization and authorization requirements.

Readers will find a concise benchmark and policy-oriented overview: what the code represents clinically, typical settings of care, common documentation elements needed to support medical necessity, and the payer landscape for coverage and prior authorization. The summary also outlines common reporting contexts for 29823, distinctions between diagnostic arthroscopy and therapeutic debridement, and operational considerations such as site-of-service implications and where additional documentation is typically required.

This national-level summary is intended as a focused reference for clinicians, coders, and policy staff seeking a clear description and practical context for CPT code 29823.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareCPT 29823arthroscopyshoulder debridementorthopedic surgeryoperative procedureshoulder traumaoutpatient surgerysurgical coding

Billing Code Overview

CPT code 29823 describes an arthroscopic procedure in which the provider examines the interior of the shoulder joint with an arthroscope, inserts additional instruments, and excises extensive damaged tissue caused by trauma. The description indicates an operative arthroscopic shoulder debridement with excision of damaged intra-articular tissue.

Service type: Operative arthroscopy / surgical debridement of the shoulder joint
Typical site of service: Ambulatory surgical center or hospital outpatient department (orthopedic operating room)

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A 45-year-old patient presents to the orthopedic clinic after a motor vehicle collision with persistent shoulder pain, limited range of motion, and mechanical catching despite initial conservative management (rest, physical therapy, and anti-inflammatory medication). Imaging (MRI) demonstrates intra-articular torn and fragmented labral and chondral tissue with synovitis consistent with traumatic intra-articular injury. The orthopedic surgeon schedules an arthroscopic shoulder procedure to visualize the joint, remove extensive damaged intra-articular soft tissue and loose bodies, and perform synovectomy as indicated. Typical workflow: preoperative evaluation in clinic with informed consent and documentation of symptoms, imaging, and failed conservative care; pre-op anesthesia evaluation; procedure performed in an ambulatory surgery center or hospital operating room under general anesthesia with regional block as appropriate; arthroscopic diagnostic inspection of the glenohumeral joint with insertion of working instruments, excision and debridement of extensive damaged tissue and loose bodies, hemostasis, closure of portals, and post-anesthesia recovery with discharge instructions and postoperative follow-up for rehabilitation and activity progression.

Coding Specifications

Modifier	Description	When to Use
`22`	Increased procedural services	Use when work, time, technical difficulty, or risk is substantially greater than usual for `29823` and documentation supports the increased work.
`52`	Reduced services	Use when the procedure is partially reduced or not completed as originally planned.
`53`	Discontinued procedure	Use when the procedure is started but discontinued due to extenuating circumstances or patient condition.
`59`	Distinct procedural service	Use to indicate a distinct separate procedure or service not normally reported with `29823` when anatomic site or separate session justifies it.
`62`	Two surgeons	Use when two surgeons work together as primary surgeons performing distinct portions of `29823`.
`66`	Surgical team	Use when a surgical team performs the procedure and reporting is appropriate for complex cases.
`73`	Discontinued outpatient hospital/ASC prior to anesthesia	Use when the patient does not receive anesthesia in the ASC or outpatient setting and procedure is cancelled after transport to OR.
`74`	Discontinued outpatient hospital/ASC after anesthesia (Note: not in provided list; omit)	Data not available in the input.
`76`	Repeat procedure by same physician	Use when `29823` is repeated subsequent to the initial procedure by the same physician.
`77`	Repeat procedure by another physician	Use when another physician repeats `29823` for the same patient.
`80`	Assistant surgeon	Use when an assistant surgeon performs part of the procedure under the primary surgeon's direction.
`LT`	Left side	Use to identify the left shoulder as the operative site.
`RT`	Right side	Use to identify the right shoulder as the operative site.
`AS`	Ambulatory surgery center	Use to indicate the service was furnished in an ambulatory surgery center (facility designation).

Taxonomy Code	Specialty	Notes
207W00000X	Orthopedic Surgery	Primary specialty performing shoulder arthroscopy and extensive debridement.
207X00000X	Sports Medicine (Orthopedics)	Specialists managing traumatic shoulder injuries and arthroscopic interventions.
2080P0208X	Physical Medicine & Rehabilitation	Often involved in pre- and post-operative management and postoperative rehabilitation guidance.
207L00000X	Hand Surgery (if applicable)	Occasionally involved when concomitant complex upper extremity pathology exists.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
Data not available in the input.	Data not available in the input.	Data not available in the input.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`29826`	Arthroscopy, shoulder, surgical; distal claviculectomy including distal articular surface (Mumford procedure)	May be performed concurrently or in the same operative session when acromioclavicular joint pathology is present with intra-articular shoulder injury.
`29827`	Arthroscopy, shoulder, surgical; lateral claviculectomy (note: not standard; placeholder)	Data not available in the input.
`29824`	Arthroscopy, shoulder, surgical; synovectomy, partial, glenohumeral joint	Commonly performed with extensive debridement when synovitis is present alongside damaged intra-articular tissue.
`29820`	Arthroscopy, shoulder, diagnostic, with/without synovial biopsy	Often performed before or at the start of `29823` for diagnostic inspection of the joint and to guide debridement extent.
`29806`	Arthroscopy, shoulder, capsulorrhaphy	May be performed in the same setting if instability requiring repair is identified in addition to intra-articular debridement.