Summary & Overview
CPT 23330: Removal of Subcutaneous Foreign Body, Shoulder
CPT code 23330 represents a focused minor surgical procedure: removal of a foreign body from the subcutaneous tissue of the shoulder. Nationally, this code captures an ambulatory or emergency surgical intervention used when an embedded object beneath the skin requires extraction to relieve pain, prevent infection, or restore function. It is commonly reported by orthopedic surgeons, emergency physicians, and general surgeons in outpatient clinics, ambulatory surgery centers, and emergency departments.
Key payers included in the analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of clinical context for use of the code, typical sites of service, and common billing practices tied to this type of minor surgical procedure. The publication outlines benchmarks for utilization and reimbursement patterns where available, summarizes relevant policy or coding considerations that affect national billing, and highlights operational implications for coding and claims submission. Data not available in the input is noted where applicable. This summary is intended to inform coding staff, revenue cycle managers, and clinician leaders about the clinical purpose and billing context for CPT code 23330 at a national level.
Billing Code Overview
CPT code 23330 describes the removal of a foreign body from the subcutaneous tissue of the shoulder. This procedure involves localized excision to extract an embedded object located just beneath the skin in the shoulder region.
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Service type: Minor surgical foreign body removal from subcutaneous tissue
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Typical site of service: Outpatient clinic, ambulatory surgery center, or emergency department, depending on clinical urgency and setting
Clinical & Coding Specifications
Clinical Context
A 34-year-old male presents to the outpatient orthopedic clinic after falling onto his right shoulder while hiking. He reports localized pain, a small laceration over the lateral shoulder, and a palpable subcutaneous foreign body suspected to be a wood splinter. Physical exam reveals an area of focal tenderness and a small, superficial puncture with surrounding erythema but no deep joint involvement. Point-of-care ultrasound localizes a hyperechoic linear foreign body in the subcutaneous tissues over the deltoid. The clinical workflow includes history and focused exam, wound cleansing and local anesthesia (typically a field block or local infiltration), use of sterile technique and small incision if necessary, removal of the foreign body from the subcutaneous tissue, inspection for residual fragments, wound irrigation, closure or dressing as appropriate, and documentation of the procedure including consent, anesthesia, estimated size and depth of foreign body, and any complications. Post-procedure instructions include wound care, signs of infection, and documentation for follow-up. Typical site of service is an outpatient clinic or emergency department where minor surgical procedures are performed; the service type is a minor surgical procedure for removal of a subcutaneous foreign body from the shoulder.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | When work or time is substantially greater than typical for (e.g., extensive dissection to retrieve embedded fragments). |