Overview of CPT Code 24420: Injection of corticosteroid into elbow joint
CPT Code 24420 refers to the injection of corticosteroids directly into the elbow joint to reduce inflammation and alleviate pain associated with various conditions affecting the joint.
When CPT Code 24420 is Used?
This procedure is indicated in several clinical scenarios.
- Chronic elbow pain due to arthritis.
- Tendinitis or bursitis affecting the elbow.
- Post-traumatic inflammation following an elbow injury.
- Limited range of motion due to joint swelling.
Symptoms Indicating This Procedure
Patients may report various symptoms that lead to this procedure.
- Persistent pain in the elbow joint.
- Swelling and tenderness around the elbow.
- Stiffness or reduced mobility in the elbow.
- Pain that worsens with activity or movement.
Causes and Risk Factors
Several factors can contribute to the need for this injection.
- Osteoarthritis or rheumatoid arthritis.
- Repetitive strain injuries from sports or work.
- Previous elbow injuries or surgeries.
- Age-related degeneration of joint tissues.
Diagnostic Tests Before Procedure
Certain tests may be performed to guide the decision for this injection.
- X-rays to assess joint damage or arthritis.
- MRI to evaluate soft tissue structures around the elbow.
- Ultrasound to visualize inflammation or fluid accumulation.
Procedure Description
The injection procedure involves several key steps.
- Patient is positioned comfortably, and the elbow is exposed.
- Skin is cleaned with antiseptic solution to prevent infection.
- A local anesthetic may be applied to minimize discomfort.
- A syringe containing corticosteroid is inserted into the joint space.
- Corticosteroid is injected, and the needle is withdrawn.
- Pressure is applied to the injection site, and a bandage may be placed.
Preparation for the Procedure
Patients should follow specific guidelines before the injection.
- Inform the doctor about any allergies or medications.
- Avoid blood thinners or anti-inflammatory medications prior to the procedure.
- Wear loose-fitting clothing to allow easy access to the elbow.
- Arrange for transportation if sedation is used.
Recovery and Aftercare
Post-procedure care is essential for optimal recovery.
- Rest the elbow for at least 24 hours after the injection.
- Apply ice to reduce swelling and discomfort.
- Avoid strenuous activities or heavy lifting for a few days.
- Follow up with the healthcare provider as advised.
Possible Complications
While generally safe, there are potential risks associated with the procedure.
- Infection at the injection site.
- Temporary increase in pain or swelling.
- Allergic reaction to the corticosteroid.
- Tendon or ligament damage if the needle is misplaced.


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Learn morePost-Procedure Follow-Up
Monitoring after the procedure is important.
- Schedule a follow-up appointment within 1-2 weeks.
- Report any unusual symptoms such as fever or increased pain.
- Discuss the effectiveness of the injection and further treatment options.
Alternative Treatments
There are several non-surgical options available.
- Physical therapy to strengthen the elbow and improve mobility.
- Non-steroidal anti-inflammatory drugs (NSAIDs) for pain relief.
- Corticosteroid oral medications for systemic inflammation.
- Bracing or splinting to support the elbow joint.
Home Care Tips
Patients can take simple steps to aid recovery at home.
- Keep the injection site clean and dry.
- Use ice packs for 15-20 minutes to manage swelling.
- Engage in gentle range-of-motion exercises as tolerated.
- Stay hydrated and maintain a balanced diet for healing.
Patient Education & Prevention
Understanding how to prevent future issues is crucial.
- Maintain a healthy weight to reduce joint stress.
- Engage in regular, low-impact exercise to strengthen muscles.
- Use proper techniques during sports or physical activities.
- Avoid repetitive motions that strain the elbow.
Billing and Coding Information
CPT Code: 24420
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 per injection.
- Most insurance plans cover the procedure with prior authorization.
- Out-of-pocket costs may apply depending on the deductible.
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