Overview of CPT Code 20500:'Injection into a major joint or bursa'
CPT Code 20500 refers to the injection of a therapeutic substance into a major joint or bursa, commonly used to relieve pain and inflammation associated with various musculoskeletal conditions.
When CPT Code 20500 is Used?
This procedure is indicated in several clinical scenarios.
- Osteoarthritis of the knee or hip
- Rheumatoid arthritis flare-ups
- Bursitis in the shoulder or hip
- Tendinitis affecting major joints
- Joint effusion requiring drainage and medication
Symptoms Indicating This Procedure
Patients may report various symptoms that lead to this procedure.
- Persistent joint pain
- Swelling around the joint
- Stiffness, especially in the morning
- Limited range of motion
- Pain during movement or weight-bearing activities
Causes and Risk Factors
Several factors can contribute to the need for this injection.
- Age-related wear and tear on joints
- Previous joint injuries or trauma
- Autoimmune diseases like rheumatoid arthritis
- Obesity increasing joint stress
- Genetic predisposition to joint disorders
Diagnostic Tests Before Procedure
Certain tests may be performed to guide the decision for this injection.
- X-rays to assess joint damage
- MRI for soft tissue evaluation
- Ultrasound to visualize joint effusion
- Blood tests to rule out infection or inflammatory conditions
Procedure Description
The injection procedure involves several key steps.
- Patient is positioned comfortably.
- Skin over the injection site is cleaned with antiseptic.
- Local anesthetic may be applied to minimize discomfort.
- A syringe containing the medication is inserted into the joint or bursa.
- Medication is injected, and the syringe is removed.
- Pressure is applied to the 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 for a few days prior, if advised.
- Wear loose-fitting clothing to allow access to the injection site.
- Arrange for transportation if sedation is used.
Recovery and Aftercare
Post-procedure care is essential for optimal recovery.
- Rest the joint for 24-48 hours post-injection.
- Apply ice to reduce swelling and discomfort.
- Avoid strenuous activities for a few days.
- Follow up with the healthcare provider as directed.
Possible Complications
While generally safe, there are potential risks associated with the procedure.
- Infection at the injection site
- Bleeding or bruising
- Allergic reaction to the injected substance
- Temporary increase in pain or swelling
- Nerve damage in rare cases


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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 surrounding muscles
- Oral anti-inflammatory medications
- Corticosteroid pills for systemic inflammation
- Hyaluronic acid injections as an alternative
- Acupuncture for pain relief
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 range-of-motion exercises as tolerated.
- Stay hydrated and maintain a balanced diet.
Patient Education & Prevention
Educating patients can help prevent recurrence.
- Maintain a healthy weight to reduce joint stress.
- Engage in regular low-impact exercise.
- Avoid repetitive joint strain activities.
- Consider joint supplements after consulting a doctor.
Billing and Coding Information
CPT Code: 20500
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.
- Insurance may cover the procedure if deemed medically necessary.
- Check with your insurance provider for specific coverage details.
Related CPT Codes
References and Sources