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Official Description

Creation of shunt; subarachnoid/subdural-atrial, -jugular, -auricular

© Copyright 2025 American Medical Association. All rights reserved.

Common Language Description

The procedure described by CPT® Code 62190 involves the creation of a shunt that facilitates the drainage of excess cerebrospinal fluid (CSF) from the subarachnoid or subdural space in the brain. This is a critical intervention for managing conditions that lead to increased intracranial pressure or other complications associated with abnormal CSF accumulation. The shunt is designed to redirect the flow of CSF to the right atrium of the heart, the atrial appendage (auricle), or the jugular vein, thereby alleviating pressure and preventing potential damage to brain tissue. The procedure begins with a curved incision in the scalp, allowing for the creation of a skin flap that provides access to the underlying structures. A burr hole is then made to facilitate the insertion of the shunt. Following this, a second incision is made in the neck to access the jugular vein or common facial vein, which is essential for the placement of the distal catheter. The use of a guidewire and vessel dilator ensures that the catheter can be accurately positioned within the vascular system. The procedure also involves careful manipulation of the dura mater, which is opened using pinhole cautery to allow for the placement of the catheter into the appropriate space. Once the shunt system is established, it is tested to confirm proper function before the distal catheter is tunneled to its final destination, ensuring effective drainage of CSF and maintaining the integrity of the surrounding tissues.

© Copyright 2025 Coding Ahead. All rights reserved.

1. Indications

The creation of a shunt as described in CPT® Code 62190 is indicated for various medical conditions that result in the accumulation of cerebrospinal fluid (CSF) in the subarachnoid or subdural spaces. These conditions may include:

  • Hydrocephalus A condition characterized by an abnormal buildup of CSF in the ventricles of the brain, leading to increased intracranial pressure.
  • Subdural hematoma A collection of blood between the dura mater and the brain, which can cause pressure and necessitate drainage.
  • Intracranial hypertension Elevated pressure within the skull that can result from various neurological disorders.
  • Cerebral edema Swelling of the brain tissue that may require intervention to relieve pressure.

2. Procedure

The procedure for creating a shunt involves several critical steps to ensure proper placement and function of the device. Each step is essential for the successful outcome of the intervention.

  • Step 1: Scalp Incision A curved skin incision is made in the scalp to create a skin flap, allowing access to the underlying cranial structures. This incision is carefully planned to minimize trauma to the surrounding tissues.
  • Step 2: Burr Hole Creation A single burr hole is created using a perforator, which provides access to the subarachnoid or subdural space where the shunt will be placed. This step is crucial for ensuring that the catheter can be inserted into the correct anatomical location.
  • Step 3: Neck Incision A second incision is made in the skin of the neck to access the jugular vein or common facial vein. This incision is necessary for the placement of the distal catheter that will drain the CSF.
  • Step 4: Vein Access A needle is inserted into the selected vein, followed by the insertion of a guidewire and vessel dilator through the needle. This step facilitates the safe passage of the catheter into the venous system.
  • Step 5: Dura Opening The dura mater is opened using pinhole cautery, allowing for the placement of the shunt catheter into the subarachnoid or subdural space. This step requires precision to avoid damaging surrounding structures.
  • Step 6: Shunt Placement The shunt (catheter) is placed into the designated space, and the proximal catheter is connected to the shunt valve. The valve is then tested to ensure that CSF is flowing properly through the system.
  • Step 7: Tunneling the Distal Catheter If the shunt system is functioning correctly, the distal catheter is tunneled from the head into the neck. A cannula is placed under the scalp at the site of the coronal flap and advanced through the subgaleal space and between the subcuticular layer of the skin and the fascia of the superficial muscles of the neck.
  • Step 8: Final Catheter Positioning The distal catheter is advanced over the previously placed guidewire into the jugular vein. Depending on the specific requirements of the procedure, the catheter may terminate in the jugular vein or be advanced further to terminate in the right atrium or atrial appendage (auricle).

3. Post-Procedure

After the completion of the shunt placement procedure, careful monitoring is essential to ensure that the system is functioning correctly and that there are no complications. Patients may require observation for signs of infection, bleeding, or improper shunt function. Follow-up imaging studies may be necessary to confirm the correct placement of the shunt and to assess for any potential complications. Recovery time can vary based on the individual patient's condition and the complexity of the procedure, but patients are typically advised to avoid strenuous activities during the initial recovery phase. Proper post-operative care and follow-up appointments are crucial for ensuring the long-term success of the shunt and the management of the underlying condition.

Short Descr ESTABLISH BRAIN CAVITY SHUNT
Medium Descr CRTJ SHUNT SARACH/SDRL-ATR-JUG-AUR
Long Descr Creation of shunt; subarachnoid/subdural-atrial, -jugular, -auricular
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) 1 - Statutory payment restriction for assistants at surgery applies to this procedure...
Co-Surgeons (62) 1 - Co-surgeons could be paid, though supporting documentation is required...
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 2 - Insertion, replacement, or removal of extracranial ventricular shunt
51 Multiple procedures: when multiple procedures, other than e/m services, physical medicine and rehabilitation services or provision of supplies (eg, vaccines), are performed at the same session by the same individual, the primary procedure or service may be reported as listed. the additional procedure(s) or service(s) may be identified by appending modifier 51 to the additional procedure or service code(s). note: this modifier should not be appended to designated "add-on" codes (see appendix d).
58 Staged or related procedure or service by the same physician or other qualified health care professional during the postoperative period: it may be necessary to indicate that the performance of a procedure or service during the postoperative period was: (a) planned or anticipated (staged); (b) more extensive than the original procedure; or (c) for therapy following a surgical procedure. this circumstance may be reported by adding modifier 58 to the staged or related procedure. note: for treatment of a problem that requires a return to the operating/procedure room (eg, unanticipated clinical condition), see modifier 78.
59 Distinct procedural service: under certain circumstances, it may be necessary to indicate that a procedure or service was distinct or independent from other non-e/m services performed on the same day. modifier 59 is used to identify procedures/services, other than e/m services, that are not normally reported together, but are appropriate under the circumstances. documentation must support a different session, different procedure or surgery, different site or organ system, separate incision/excision, separate lesion, or separate injury (or area of injury in extensive injuries) not ordinarily encountered or performed on the same day by the same individual. however, when another already established modifier is appropriate it should be used rather than modifier 59. only if no more descriptive modifier is available, and the use of modifier 59 best explains the circumstances, should modifier 59 be used. note: modifier 59 should not be appended to an e/m service. to report a separate and distinct e/m service with a non-e/m service performed on the same date, see modifier 25.
GC This service has been performed in part by a resident under the direction of a teaching physician
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