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Official Description

Surgery of aneurysm, vascular malformation or carotid-cavernous fistula; by intra-arterial embolization, injection procedure, or balloon catheter

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 61710 refers to a surgical procedure aimed at addressing conditions such as intracranial aneurysms, vascular malformations, or carotid-cavernous fistulas through intra-arterial embolization, injection procedures, or the use of balloon catheters. An intracranial aneurysm, also known as a cerebral or intracerebral aneurysm, is characterized by a weakened segment of a blood vessel that bulges and fills with blood. This condition can exert pressure on adjacent brain structures, potentially leading to pain and neurological deficits. Furthermore, there is a risk of rupture, which can result in a life-threatening intracranial hemorrhage. Intracranial aneurysms can be either congenital, arising from birth, or acquired due to various factors over time. A vascular malformation encompasses a range of abnormalities affecting blood vessels, which can disrupt normal blood flow and lead to various complications. A carotid-cavernous fistula is a specific type of vascular malformation that represents an abnormal connection between the carotid artery—either external or internal—and the venous cavernous sinus, located behind the eyes. The procedure involves the insertion of a catheter through the skin into an access artery, which is then navigated to the carotid artery supplying the affected area. A microcatheter is subsequently advanced to the site of the aneurysm, malformation, or fistula. During the procedure, one or more coils or a balloon catheter with detachable balloons are introduced via the microcatheter. The deployment of the coil or balloon effectively occludes the aneurysm, malformation, or fistula, thereby interrupting blood flow. In the case of coils, the formation of blood clots around the coils further aids in blocking blood flow. Alternatively, an injection procedure may be utilized to achieve the same goal. Throughout the process, angiograms are performed to confirm the correct placement of the devices. Once the targeted area has been successfully occluded or the coils are securely in place, the catheter is removed, completing the procedure.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The procedure described by CPT® Code 61710 is indicated for the following conditions:

  • Intracranial Aneurysm - A weakened area in a blood vessel within the brain that can expand and fill with blood, posing risks of pressure on surrounding tissues and potential rupture.
  • Vascular Malformation - Any abnormality in the structure of blood vessels that can disrupt normal blood flow and lead to complications.
  • Carotid-Cavernous Fistula - An abnormal connection between the carotid artery and the venous cavernous sinus, which can lead to various neurological symptoms and complications.

2. Procedure

The procedure involves several critical steps to ensure the successful occlusion of the aneurysm, vascular malformation, or carotid-cavernous fistula:

  • Step 1: Catheter Insertion - A catheter is inserted through the skin into an access artery, typically in the groin or arm. This catheter is then carefully maneuvered into the carotid artery that supplies blood to the area of concern, whether it be an aneurysm, malformation, or fistula.
  • Step 2: Microcatheter Advancement - A microcatheter is advanced through the main catheter and positioned directly within the sac of the aneurysm, the vascular malformation, or the carotid-cavernous fistula. This step is crucial for delivering the embolic agents precisely where they are needed.
  • Step 3: Deployment of Coils or Balloon Catheter - One or more coils or a balloon catheter with detachable balloons are introduced through the microcatheter. The coils are designed to promote clot formation around them, while the balloon catheter is used to occlude the blood flow immediately.
  • Step 4: Occlusion Confirmation - Angiograms are obtained during the procedure to visualize the placement of the coils or balloon and to confirm that the aneurysmal sac, vascular malformation, or fistula has been completely occluded.
  • Step 5: Catheter Removal - Once the targeted area is confirmed to be occluded, the catheter is carefully removed, completing the procedure.

3. Post-Procedure

After the completion of the procedure, patients are typically monitored for any immediate complications or adverse effects. Recovery may involve observation in a healthcare setting to ensure that there are no signs of bleeding or other complications. Patients may experience some discomfort at the catheter insertion site, which should be managed appropriately. Follow-up imaging studies may be required to assess the long-term success of the occlusion and to monitor for any potential recurrence of the aneurysm or malformation. It is essential for patients to adhere to any post-procedure instructions provided by their healthcare provider to ensure optimal recovery and outcomes.

Short Descr REVISE CIRCULATION TO HEAD
Medium Descr ARYSM VASC MALFRMJ IA EMBOLIZATION
Long Descr Surgery of aneurysm, vascular malformation or carotid-cavernous fistula; by intra-arterial embolization, injection procedure, or balloon catheter
Status Code Active Code
Global Days 090 - Major Surgery
PC/TC Indicator (26, TC) 0 - Physician Service Code
Multiple Procedures (51) 2 - Standard payment adjustment rules for multiple procedures apply.
Bilateral Surgery (50) 0 - 150% payment adjustment for bilateral procedures does NOT apply.
Physician Supervisions 09 - Concept does not apply.
Assistant Surgeon (80, 82) 0 - Payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 0 - Co-surgeons not permitted for this procedure.
Team Surgery (66) 0 - Team surgeons not permitted for this procedure.
Diagnostic Imaging Family 99 - Concept Does Not Apply
APC Status Indicator Inpatient Procedures, not paid under OPPS
Type of Service (TOS) 2 - Surgery
Berenson-Eggers TOS (BETOS) P1G - Major procedure - Other
MUE 1
CCS Clinical Classification 59 - Other OR procedures on vessels of head and neck

This is a primary code that can be used with these additional add-on codes.

69990 Addon Code MPFS Status: Restricted APC N ASC N1 PUB 100 CPT Assistant Article 1Microsurgical techniques, requiring use of operating microscope (List separately in addition to code for primary procedure)
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