Overview of CPT Code 24320: Injection of corticosteroid into shoulder joint
CPT Code 24320 refers to the injection of corticosteroids directly into the shoulder joint to reduce inflammation and alleviate pain associated with various shoulder conditions.
When CPT Code 24320 is Used?
This procedure is indicated in several clinical scenarios.
- Chronic shoulder pain due to arthritis
- Rotator cuff tendinitis
- Bursitis in the shoulder joint
- Shoulder impingement syndrome
- Post-surgical inflammation
Symptoms Indicating This Procedure
Patients may report various symptoms that lead to this procedure.
- Persistent shoulder pain
- Limited range of motion in the shoulder
- Swelling around the shoulder joint
- Pain that worsens with movement
- Stiffness in the shoulder
Causes and Risk Factors
Understanding the underlying causes can help in managing shoulder conditions.
- Age-related degeneration of shoulder structures
- Repetitive overhead activities
- Previous shoulder injuries
- Inflammatory conditions like rheumatoid arthritis
- Obesity, which can increase joint stress
Diagnostic Tests Before Procedure
Certain tests may be performed to confirm the need for this injection.
- X-rays to assess joint structure and arthritis
- MRI to evaluate soft tissue injuries
- Ultrasound to visualize the shoulder joint
- Blood tests to rule out infections or inflammatory diseases
Procedure Description
The injection procedure is straightforward and typically performed in an outpatient setting.
- The patient is positioned comfortably, often sitting or lying down.
- The skin over the shoulder joint is cleaned with antiseptic.
- A local anesthetic may be applied to minimize discomfort.
- Using a sterile syringe, the corticosteroid is injected into the shoulder joint.
- The injection site is covered with a bandage after the procedure.
Preparation for the Procedure
Patients should follow specific guidelines to prepare for the injection.
- Inform the doctor about any allergies, especially to medications.
- Discuss current medications, particularly blood thinners.
- Avoid eating or drinking for a few hours before the procedure if sedation is planned.
- Wear loose-fitting clothing to allow easy access to the shoulder.
Recovery and Aftercare
Post-procedure care is essential for optimal recovery.
- Rest the shoulder for 24-48 hours after the injection.
- Apply ice to the injection site to reduce swelling.
- Avoid strenuous activities for a few days.
- Follow up with the healthcare provider to monitor progress.
Possible Complications
While generally safe, there are potential risks associated with the procedure.
- Infection at the injection site
- Bleeding or bruising
- Temporary increase in pain after the injection
- Allergic reaction to the corticosteroid
- Tendon rupture in rare cases


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Learn morePost-Procedure Follow-Up
Monitoring after the procedure is crucial for assessing effectiveness.
- Schedule a follow-up appointment within 1-2 weeks.
- Report any unusual symptoms or side effects immediately.
- Discuss pain relief and any changes in shoulder function.
Alternative Treatments
There are several non-surgical options available for shoulder pain management.
- Physical therapy to strengthen shoulder muscles
- Non-steroidal anti-inflammatory drugs (NSAIDs)
- Corticosteroid oral medications
- Heat or cold therapy
- Acupuncture or chiropractic care
Home Care Tips
Patients can take steps at home to aid recovery.
- Keep the injection site clean and dry.
- Use ice packs to manage swelling.
- Engage in gentle stretching exercises as advised.
- Maintain a healthy diet to support healing.
Patient Education & Prevention
Educating patients can help prevent future shoulder issues.
- Maintain a healthy weight to reduce joint stress.
- Engage in regular shoulder-strengthening exercises.
- Avoid repetitive overhead activities when possible.
- Seek early treatment for shoulder pain to prevent worsening.
Billing and Coding Information
CPT Code: 24320
Category: Surgery
Common Modifiers:
- 50 - Bilateral procedure
- RT - Right side
- LT - Left side
Average Cost and Insurance Coverage
Costs can vary based on location and insurance.
- Average cost ranges from $200 to $600.
- Most insurance plans cover the procedure with prior authorization.
- Out-of-pocket costs depend on the patient's insurance plan.
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