Question 1

How do you handle coding for a complex spinal fusion with multiple levels and extensive instrumentation?

Accepted Answer

We meticulously review the operative report to identify the exact procedure performed at each level. We code for the decompression (e.g., laminectomy) at each level if performed, using the appropriate codes. For the fusion, we use the primary code for the first level fused (e.g., 22612 for a single level lumbar fusion). Then, we use the appropriate add-on codes for each additional level fused (e.g., +22614). We also code for all instrumentation used, such as rods (+22842), interbody cages (+22853), and bone grafts (20930-20938), using the specific add-on codes for each component.

Question 2

What is your approach to coding for neurostimulator implant procedures, which involve multiple components?

Accepted Answer

Neurostimulator coding is highly complex. We treat each phase of the procedure separately: 1) The placement of electrodes (e.g., 63650 for percutaneous placement, 63655 for laminectomy placement). 2) The placement of the generator (e.g., 63685). 3) If a trial is performed, we use the appropriate codes for that (e.g., 63650 for placement, 95970-95975 for programming/analysis). We also ensure that all components are coded on the correct claim type (facility vs. professional) and that any necessary prior authorizations are obtained.

Question 3

How do you handle billing for intraoperative neurophysiological monitoring (IONM) performed during spine surgery?

Accepted Answer

IONM billing requires separate coding for the monitoring service and the professional interpretation. The monitoring service (95941 for remote monitoring with physician oversight) is typically billed by the IONM technologist's company or by the facility. The professional interpretation of the IONM data by the supervising physician (95940) is billed separately by that physician. We establish the correct billing assignment for both components based on your practice's IONM service model and ensure that payer-specific documentation requirements — including a complete IONM report signed by the supervising physician — are met for every claim.

Question 4

Can you manage billing for neurosurgery practices that also perform awake craniotomy and functional brain mapping?

Accepted Answer

Yes. Awake craniotomy for language or motor mapping adds distinct billable components including brain electrical stimulation mapping (95961-95962) performed during the procedure. We code the craniotomy with the appropriate tumor resection or epilepsy surgery code, add the cortical stimulation mapping codes based on the number of hours of stimulation mapping performed, and ensure the operative report documents the mapping session duration and findings that support the additional codes. These high-complexity cases require precise multi-code claim construction that our neurosurgery billing specialists handle on every case.

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