Overview of CPT Code 23420:Arthroscopic Shoulder Surgery for Rotator Cuff Repair
CPT Code 23420 refers to an arthroscopic surgical procedure performed to repair a torn rotator cuff in the shoulder. This minimally invasive technique allows surgeons to access the shoulder joint through small incisions, using a camera and specialized instruments.
When CPT Code 23420 is Used?
This procedure is indicated in various clinical scenarios.
- Significant rotator cuff tears that cause pain and limit shoulder function.
- Failure of conservative treatments such as physical therapy and medication.
- Acute injuries resulting from trauma or repetitive overhead activities.
Symptoms Indicating This Procedure
Patients may report several symptoms that suggest the need for this surgery.
- Persistent shoulder pain, especially during overhead activities.
- Weakness in the shoulder or arm.
- Limited range of motion in the shoulder joint.
- Pain at night or difficulty sleeping on the affected side.
Causes and Risk Factors
Understanding the causes and risk factors can help in prevention.
- Age-related degeneration of the rotator cuff.
- Acute injuries from falls or accidents.
- Repetitive overhead motions, common in athletes and certain occupations.
- Previous shoulder injuries or surgeries.
Diagnostic Tests Before Procedure
Several diagnostic tests may be performed to confirm the need for surgery.
- MRI to visualize the rotator cuff and assess the extent of the tear.
- Ultrasound imaging to evaluate shoulder structures.
- X-rays to rule out other shoulder conditions.
Procedure Description
The procedure involves several key steps.
- The patient is placed under general anesthesia.
- Small incisions are made around the shoulder joint.
- A camera (arthroscope) is inserted to visualize the inside of the shoulder.
- Instruments are used to repair the torn rotator cuff tissue.
- The incisions are closed with sutures or adhesive strips.
Preparation for the Procedure
Proper preparation is essential for a successful surgery.
- Avoid eating or drinking after midnight before the surgery.
- Discuss any medications with your doctor, especially blood thinners.
- Arrange for someone to drive you home post-surgery.
Recovery and Aftercare
Recovery involves several important steps.
- Initial recovery may take 4 to 6 months for full function.
- Follow your surgeon's instructions for wound care.
- Physical therapy is often recommended to regain strength and mobility.
- Pain management may include prescribed medications.
Possible Complications
While complications are rare, they can occur.
- Infection at the surgical site.
- Persistent pain or stiffness in the shoulder.
- Re-tear of the rotator cuff.
- Nerve or blood vessel injury.


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Learn morePost-Procedure Follow-Up
Follow-up care is crucial for monitoring recovery.
- Initial follow-up within 1 to 2 weeks post-surgery.
- Regular check-ups every few weeks to assess healing.
- Physical therapy sessions as recommended by the surgeon.
Alternative Treatments
There are non-surgical options available.
- Physical therapy to strengthen shoulder muscles.
- Corticosteroid injections to reduce inflammation.
- Activity modification to avoid aggravating the injury.
Home Care Tips
Patients can take steps to aid recovery at home.
- Keep the surgical area clean and dry.
- Use ice packs to reduce swelling.
- Follow prescribed exercises to improve mobility.
Patient Education & Prevention
Education is key to preventing future injuries.
- Engage in shoulder-strengthening exercises.
- Avoid repetitive overhead activities without proper conditioning.
- Seek early treatment for shoulder pain to prevent worsening.
Billing and Coding Information
CPT Code: 23420
Category: Surgery
Common Modifiers:
- 50 (bilateral procedure)
- RT (right side)
- LT (left side)
Average Cost and Insurance Coverage
Costs can vary based on several factors.
- Average cost ranges from $10,000 to $20,000.
- Insurance typically covers the procedure if deemed medically necessary.
- Out-of-pocket costs depend on the insurance plan.
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