Overview of CPT Code 21139: Injection of bone graft material, maxilla or mandible
CPT Code 21139 refers to the injection of bone graft material into the maxilla or mandible, which is essential for dental and oral surgical procedures aimed at restoring bone structure.
When CPT Code 21139 is Used?
This procedure is indicated in various clinical scenarios.
- To augment bone volume in the maxilla or mandible for dental implants.
- To repair bone defects due to trauma or surgical removal of tumors.
- In cases of severe periodontal disease leading to bone loss.
Symptoms Indicating This Procedure
Patients may present with specific symptoms that warrant this procedure.
- Difficulty in chewing or biting due to insufficient bone support.
- Visible bone loss in dental imaging.
- Pain or discomfort in the jaw area.
Causes and Risk Factors
Several factors can lead to the need for this procedure.
- Trauma to the jaw or face.
- Chronic periodontal disease.
- Previous dental surgeries that resulted in bone loss.
Diagnostic Tests Before Procedure
Certain tests are essential to evaluate the need for this procedure.
- Panoramic X-rays to assess bone structure.
- CT scans for detailed imaging of the jaw.
- Clinical examination to evaluate oral health.
Procedure Description
The procedure involves several key steps.
- Administer local anesthesia to the patient.
- Prepare the site for injection by cleaning and sterilizing.
- Inject the bone graft material into the targeted area of the maxilla or mandible.
- Ensure proper placement and coverage of the graft material.
Preparation for the Procedure
Patients should follow specific guidelines before the procedure.
- Avoid eating or drinking for several hours prior to the procedure.
- Inform the dentist about any medications or allergies.
- Arrange for transportation post-procedure if sedation is used.
Recovery and Aftercare
Post-procedure care is crucial for recovery.
- Expect mild swelling and discomfort for a few days.
- Follow prescribed pain management and antibiotics.
- Maintain oral hygiene while avoiding the injection site.
Possible Complications
As with any procedure, there are potential risks.
- Infection at the injection site.
- Allergic reaction to the graft material.
- Failure of the graft to integrate with existing bone.


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Learn morePost-Procedure Follow-Up
Regular follow-up is important for monitoring recovery.
- Schedule a follow-up appointment within one week.
- Monitor for signs of infection or complications.
- Assess the integration of the graft material during subsequent visits.
Alternative Treatments
There are non-surgical options available.
- Bone regeneration therapy using growth factors.
- Dental implants without grafting in certain cases.
- Use of synthetic bone substitutes.
Home Care Tips
Patients can take steps to aid recovery at home.
- Apply ice packs to reduce swelling.
- Eat soft foods to avoid irritation.
- Avoid smoking and alcohol during recovery.
Patient Education & Prevention
Understanding prevention can help avoid future issues.
- Maintain good oral hygiene to prevent periodontal disease.
- Regular dental check-ups to monitor oral health.
- Avoid high-risk behaviors that can lead to jaw injuries.
Billing and Coding Information
CPT Code: 21139
Category: Surgical Procedures
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 $1,500 to $3,000.
- Insurance may cover part of the procedure depending on medical necessity.
- Check with your insurance provider for specific coverage details.
Related CPT Codes
References and Sources