How To Use CPT Code 61720

CPT 61720 describes the creation of a lesion in the globus pallidus or thalamus using a stereotactic method. This article will cover the description, procedure, qualifying circumstances, appropriate usage, documentation requirements, billing guidelines, historical information and billing examples.

1. What is CPT Code 61720?

CPT 61720 can be used to describe the creation of a lesion in the globus pallidus or thalamus using a stereotactic method. This procedure involves making an incision in the scalp, creating one or more burr holes, and using an electrocautery probe to create a lesion in the targeted brain structures. The goal of this procedure is to treat certain neurological conditions by disrupting abnormal brain activity.

2. Official Description

The official description of CPT code 61720 is: ‘Creation of lesion by stereotactic method, including burr hole(s) and localizing and recording techniques, single or multiple stages; globus pallidus or thalamus.’

3. Procedure

1. The provider identifies the target area of the brain using a stereotactic method, which involves importing previously taken CT or MRI images into a computer system to provide three-dimensional images of the brain.
2. An incision is made in the scalp, and one or more burr holes are created to access the identified target areas in the globus pallidus or thalamus.
3. An electrocautery probe is inserted through the burr hole(s), and electric current is used to create a lesion in the targeted brain structures.
4. Excess fluid or blood is drained out using a drain.
5. The layers of dural tissue are sutured together, and the wound is covered with a sterile dressing.

4. Qualifying circumstances

CPT 61720 is performed on patients who require the creation of a lesion in the globus pallidus or thalamus to treat certain neurological conditions. The procedure is typically performed by a provider who is experienced in stereotactic methods and has access to the necessary imaging technology. The patient must be appropriately prepped and anesthetized before the procedure.

5. When to use CPT code 61720

CPT code 61720 should be used when a provider performs the creation of a lesion in the globus pallidus or thalamus using a stereotactic method. This code is specific to the single or multiple stages involved in the procedure. It should not be used for other types of stereotactic procedures or lesions in different brain structures.

6. Documentation requirements

To support a claim for CPT 61720, the provider must document the following information:

• Patient’s diagnosis and the medical necessity for the procedure
• Details of the stereotactic method used, including the imaging technology and localization techniques
• Date of the procedure and the number of stages involved
• Specific target area in the globus pallidus or thalamus
• Incision and burr hole(s) creation
• Creation of the lesion using the electrocautery probe
• Drainage of excess fluid or blood
• Suturing of dural tissue and dressing of the wound
• Any complications or additional procedures performed
• Provider’s signature

7. Billing guidelines

When billing for CPT 61720, ensure that the procedure meets the criteria outlined in the official description. It is important to accurately report the number of stages involved in the procedure. CPT code 61720 should not be reported with other codes unless additional procedures were performed during the same session. It is recommended to review the specific billing guidelines provided by the payer to ensure proper reimbursement.

8. Historical information

CPT 61720 was added to the Current Procedural Terminology system on January 1, 1990. There have been no updates or changes to the code since its addition.

9. Examples

1. A neurosurgeon performing the creation of a lesion in the globus pallidus using a stereotactic method to treat a patient with Parkinson’s disease.
2. A neurologist using a stereotactic method to create a lesion in the thalamus of a patient with essential tremor.
3. A neurosurgeon performing a multi-stage procedure to create lesions in both the globus pallidus and thalamus of a patient with dystonia.
4. A neurologist using a stereotactic method to create a lesion in the globus pallidus of a patient with Tourette syndrome.
5. A neurosurgeon performing the creation of a lesion in the thalamus using a stereotactic method to treat a patient with chronic pain.
6. A neurologist using a stereotactic method to create a lesion in the globus pallidus of a patient with Huntington’s disease.
7. A neurosurgeon performing a multi-stage procedure to create lesions in both the thalamus and globus pallidus of a patient with epilepsy.
8. A neurologist using a stereotactic method to create a lesion in the globus pallidus of a patient with hemifacial spasm.