Neurosurgery Billing Services

Neurosurgery billing is built around long, high-stakes operations on the brain, spine, and nerves. Spine cases are especially detailed. A single operation can include decompression, fusion, interbody devices, instrumentation, and bone graft, and each part may be coded separately or bundled depending on the payer.

Many cases also involve a second surgeon for the approach, intraoperative neuromonitoring, and implants. Most major procedures carry a 90-day global period. Trauma and emergency call add patients with unclear coverage. A neurosurgery billing company has to read operative notes carefully, apply modifiers with care, and manage prior authorization for elective spine work.

Who this is for

• Neurosurgeons in private practice and hospital groups
• Spine-focused surgeons who work with orthopedic colleagues
• Groups that provide trauma and emergency neurosurgical call
• Practices that treat brain tumors, hydrocephalus, and vascular conditions
• Surgeons who operate in hospitals and ambulatory surgery centers

What gets billed

• Lumbar discectomy and laminectomy
• Cervical discectomy with fusion
• Lumbar and thoracic spinal fusion
• Spinal instrumentation and interbody devices
• Craniotomy for tumor removal
• Evacuation of blood collections in the head
• Shunt placement for hydrocephalus
• Intraoperative neuromonitoring (often billed by a separate provider)
• Emergency consults and trauma care
• Pre-operative visits and post-operative follow-up

Commonly billed codes

Code	Type	What it covers
63030	CPT	Removing part of a disc and bone in the low back, one level
63047	CPT	Lumbar laminectomy to relieve pressure, one level
63075	CPT	Neck disc removal from the front with nerve decompression, first level
22551	CPT	Neck fusion from the front with disc removal, first level
22612	CPT	Lumbar fusion from the back, one level
22853	CPT	Add-on for placing a spacer device in the disc space
22842	CPT	Add-on for rods and screws across a short spine segment
61510	CPT	Craniotomy to remove a brain tumor
61312	CPT	Craniotomy to remove blood above the brain covering
62223	CPT	Creating a shunt from the brain fluid space to the abdomen
M51.26	ICD-10-CM	Displaced disc in the lower back
M48.061	ICD-10-CM	Narrowing of the lumbar spinal canal without leg pain on walking
G91.1	ICD-10-CM	Obstructive hydrocephalus

Note

Codes are examples for orientation, not a complete list, and do not guarantee coverage or payment. Always check current code sets and payer policy.

Billing challenges in neurosurgery

Spine code combinations. Fusion, decompression, instrumentation, and grafts each have rules about what can be reported together. A biller experienced in neurosurgery checks the note, the levels treated, and payer bundling edits before billing.

Co-surgeon and approach surgeon claims. When two surgeons share a spine case, each may use modifier 62 if payer rules allow it. Billers confirm that both surgeons document their roles and that the claims match.

Assistant surgeon coverage. Payers vary on paying assistants for spine and cranial cases. Billers check policy first and then apply modifier 80 or 82 appropriately.

Prior authorization for elective spine surgery. Many payers require records of symptoms, imaging, and conservative treatment before approving fusion. Billers collect these early and track approvals, since missing records are a leading cause of denials.

Intraoperative neuromonitoring. Monitoring may be billed by a separate group or by the surgeon, depending on who supervises. Billers verify who is billing and avoid duplicate claims.

90-day global period. Pre-operative visits, routine post-operative care, and related complications fall inside the global. Billers use modifier 57, 58, 78, and 79 where the notes support them.

Implant and device reporting. Implants may be paid to the facility rather than the surgeon. Billers keep records consistent between the professional and facility claims.

How Westmont can help

• Matches your practice with vetted medical billing experts who work with neurosurgeons
• Connects you with end-to-end revenue cycle support, including authorization tracking
• Helps you find denial management support for spine bundling and necessity denials
• Connects you with credentialing support for surgeons and hospital sites
• Provides a path to request a quote based on your case mix

Frequently asked questions

How are spinal fusion procedures coded?

Fusion coding depends on the region of the spine, the approach, and the number of levels. Add-on codes may apply for interbody devices, instrumentation, or grafts, but payers differ on what they allow together. A neurosurgery billing company reviews the operative note and payer edits before the claim goes out.

When is modifier 62 used in spine surgery?

Modifier 62 applies when two surgeons act as co-surgeons on one procedure, each doing a distinct part, such as the approach and the spine work. Not every code allows co-surgeons, and payers set their own rules. Both surgeons must document their roles, and both must bill with the modifier.

Does neurosurgery have a global period?

Most major neurosurgical procedures carry a 90-day global period under Medicare rules, and many payers follow similar terms. Related post-operative care is generally bundled. Unrelated problems may be billed separately with the correct modifier. Always check the current indicator for each code.

Who bills for intraoperative neuromonitoring?

It depends on who performs and supervises it. A separate neurophysiology provider often bills, and the surgeon usually cannot bill the same service. Payers may have their own coverage policies. Confirm who is responsible before the case so claims are not duplicated or denied.

What causes prior authorization denials for spine surgery?

Common causes include missing imaging, no record of conservative treatment, or a diagnosis that does not match payer criteria. Staff can prepare a clean request with the required records and track deadlines. If a denial happens, the surgeon can support an appeal or peer-to-peer review.

Related billing services

• Orthopedic Surgery
• Pain Management
• Neurology
• Neurodiagnostics (EEG, EMG)
• Trauma / Acute Care Surgery
• Hospitals (Professional & Facility, UB-04)