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An arteriovenous malformation (AVM) is a pathological condition characterized by an abnormal connection between the arterial and venous systems, where one or more arteries and veins connect directly without the intermediary of capillaries. This congenital malformation can occur in various locations within the body, but when it is intracranial, it poses significant risks due to the high-pressure shunting of blood directly into the venous system. Such shunting can lead to serious complications, including the potential for rupture of blood vessels, resulting in hemorrhage and other neurological issues. The surgical procedure described by CPT® Code 61692 specifically addresses the surgical intervention for complex dural AVMs, which are located within the dura mater—the tough, fibrous outer membrane that encases the central nervous system. The surgery involves a craniotomy, where scalp flaps are created, burr holes are drilled, and a bone flap is elevated to access the AVM. The procedure requires meticulous dissection to expose the AVM, followed by the identification and ligation of arterial feeders and draining veins. The complete excision of the AVM is critical to prevent further complications, and post-operative angiography is performed to confirm the successful removal of the malformation. This procedure is distinct from simpler AVMs, which are smaller and typically do not involve normal vessels or critical brain regions.
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The surgery for intracranial arteriovenous malformation (AVM) is indicated in the following scenarios:
The surgical procedure for the excision of a complex dural AVM involves several critical steps:
Post-operative care following the excision of a complex dural AVM includes monitoring for any signs of complications such as infection, bleeding, or neurological deficits. Patients may require imaging studies to assess the surgical site and ensure that the AVM has been completely removed. Recovery may involve a hospital stay for observation, followed by rehabilitation to address any neurological deficits that may have resulted from the AVM or the surgical procedure. The healthcare team will provide specific instructions regarding activity restrictions, follow-up appointments, and any necessary medications to support recovery.
| Short Descr | INTRACRANIAL VESSEL SURGERY | Medium Descr | INTRACRANIAL ARVEN MALFRMJ DURAL CMPL | Long Descr | Surgery of intracranial arteriovenous malformation; dural, complex | 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) | 2 - Payment restriction for assistants at surgery does not apply 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 | 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.
| 61316 | Addon Code MPFS Status: Active Code APC C Incision and subcutaneous placement of cranial bone graft (List separately in addition to code for primary procedure) | 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) |
| 22 | Increased procedural services: when the work required to provide a service is substantially greater than typically required, it may be identified by adding modifier 22 to the usual procedure code. documentation must support the substantial additional work and the reason for the additional work (ie, increased intensity, time, technical difficulty of procedure, severity of patient's condition, physical and mental effort required). note: this modifier should not be appended to an e/m service. | 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. | 62 | Two surgeons: when 2 surgeons work together as primary surgeons performing distinct part(s) of a procedure, each surgeon should report his/her distinct operative work by adding modifier 62 to the procedure code and any associated add-on code(s) for that procedure as long as both surgeons continue to work together as primary surgeons. each surgeon should report the co-surgery once using the same procedure code. if additional procedure(s) (including add-on procedure(s) are performed during the same surgical session, separate code(s) may also be reported with modifier 62 added. note: if a co-surgeon acts as an assistant in the performance of additional procedure(s), other than those reported with the modifier 62, during the same surgical session, those services may be reported using separate procedure code(s) with modifier 80 or modifier 82 added, as appropriate. | 78 | Unplanned return to the operating/procedure room by the same physician or other qualified health care professional following initial procedure for a related procedure during the postoperative period: it may be necessary to indicate that another procedure was performed during the postoperative period of the initial procedure (unplanned procedure following initial procedure). when this procedure is related to the first, and requires the use of an operating/procedure room, it may be reported by adding modifier 78 to the related procedure. (for repeat procedures, see modifier 76.) | 82 | Assistant surgeon (when qualified resident surgeon not available): the unavailability of a qualified resident surgeon is a prerequisite for use of modifier 82 appended to the usual procedure code number(s). | AS | Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery | GC | This service has been performed in part by a resident under the direction of a teaching physician |
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| Pre-1990 | Added | Code added. |
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