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Neurosurgery Billing Services Billing & RCM Services
Spine Levels, Co-Surgeon Splits and Fusion Pre-Approvals: The Three Places Neurosurgery Claims Lose Money Qualigenix codes and bills spine, cranial and neuromodulation cases for neurosurgery groups and spine practices. Our CPC- and CCS-certified coders bill each level the operative note documents, split co-surgeon and assistant work correctly, and get the prior authorization on file before the patient reaches the OR.
What is Neurosurgery Billing
Neurosurgery billing turns on three things: coding every spinal level, interspace and instrumentation segment the op note supports, splitting payment correctly when two surgeons or an assistant operate together, and securing prior authorization for fusion and stimulator cases that Medicare and commercial plans now review before surgery. Qualigenix does this work for neurosurgery practices in 48 states with 98.9% coding accuracy and a 98.2% first-pass clean claim rate on first submission. Call 786-259-0231 to walk through your spine denials with a specialist.
01
Level-by-Level Spine Coding
A multilevel fusion is several codes, not one. The first interspace takes the primary code (22551 for ACDF, 22612 or 22630 lumbar), each additional level takes an add-on (22552, 22614, 22632), instrumentation is coded by the number of vertebral segments spanned (22840–22842), and interbody devices are coded per interspace (22853–22854). Decompression at the same interspace as a PLIF or TLIF is included in 22630 and 22633, so billing 63047 at that level is an unbundling error. Miss one add-on and a three-level case pays as two.
02
Fusion and Stimulator Pre-Approval
Since July 1, 2021, Medicare has required prior authorization in hospital outpatient departments for cervical fusion with disc removal (22551, 22552) and implanted spinal neurostimulators (63650) under the OPD prior authorization program. If the hospital's request is non-affirmed, the related physician and anesthesia claims are denied too. Since January 2026, CMS's WISeR model adds prior authorization review for Original Medicare patients in New Jersey, Ohio, Oklahoma, Texas, Arizona and Washington, covering cervical fusion, electrical nerve stimulators, epidural steroid injections and percutaneous vertebral augmentation in hospital outpatient, ASC and office settings. Commercial plans add their own rules for elective cranial and lumbar cases.
03
Co-Surgery and Assistant Splits
When two surgeons each perform a distinct part of one procedure, such as an access surgeon and a spine surgeon on an anterior lumbar fusion, both bill the same CPT code with modifier 62. Medicare pays each co-surgeon 62.5% of the fee schedule amount, but only if both claims carry modifier 62; if one surgeon leaves it off, that claim pays in full and the other denies. Assistants bill with 80, 82 (no qualified resident available) or AS (PA, NP or CNS), and only on codes where the fee schedule allows an assistant. Team surgery takes modifier 66. Each case needs documentation of the distinct portion each surgeon performed.
04
Inpatient vs. Outpatient Spine
CMS began a three-year phase-out of the inpatient-only list in 2026, removing 285 mostly musculoskeletal procedures in the first year, according to the CY 2026 OPPS final rule fact sheet. As spine codes move between inpatient, outpatient and ASC eligibility, the place of service on your professional claim has to match where the case was actually done, and the hospital's ability to bill the case affects scheduling.
05
Workers' Comp, Auto and MSP
Spine and trauma patients often have a workers' compensation claim, an auto policy with PIP, or a pending liability case. Under Medicare Secondary Payer rules, workers' comp and no-fault insurance pay before Medicare. Workers' comp claims follow the state's fee schedule and authorization process, and auto claims can require PIP exhaustion before the health plan pays. Bill the wrong payer first and the case can sit unpaid for months.
06
Conservative Care and Imaging Records
Fusion approvals and audits look for the same facts: how long conservative care was tried and what it was, imaging findings that match the symptoms and the levels operated on, and objective neurologic deficits or instability. A note that says "failed conservative management" without dates and treatments won't survive review.
PRECISION: WHAT QUALIGENIX DOES
What Qualigenix Does at Each Neurosurgery Gap
Each gap above maps to a step in how Qualigenix codes, authorizes and bills neurosurgery cases.
Level-Accurate Coding
Certified coders (CPC and CCS) read the full operative note and code each interspace, level and instrumentation segment it documents. They query the surgeon when a level isn't named, and they apply the same-level bundling rules before the claim is built. Across all Qualigenix clients, coding accuracy is 98.9%.
Fusion and Neuromodulation Authorizations
We check each scheduled case against Medicare's OPD list, WISeR when your patients are in one of the six model states, and each commercial plan's spine policy. Requests go out with imaging, conservative-care history and the neurologic exam attached, and we track each one to a decision before the surgery date.
Co-Surgeon and Assistant Billing
We coordinate modifier 62 across both surgeons' claims so neither one is denied, confirm the fee schedule allows an assistant before billing 80, 82 or AS, and make sure each surgeon's portion is documented.
Inpatient-Only List Checks
Before each spine case is billed, we check the code against the current-year inpatient-only and ASC lists and set the place of service from where the case was performed.
Payer-Order Verification
At intake we ask about work injuries, accidents and pending claims, identify the primary payer, and get the workers' comp or auto authorization in place. Medicare is billed as secondary when MSP rules require it.
Pre-Bill Op Note Review
A coder compares the op note and pre-op record with your MAC's fusion coverage criteria where one exists, and with the commercial payer's policy. Missing conservative-care dates or imaging correlation go back to the surgeon as a query before the claim is released.
Denial Appeals
We appeal spine denials with the operative note, imaging and authorization record attached, and we correct modifier and level errors at the source so they don't repeat. Across all specialties, 79% of the denials Qualigenix works are overturned.
Spine Compliance Monitoring
Compliance monitoring for spine programs covers sampled reviews of fusion claims against documentation and payer criteria, and reports on fusion volume and add-on use by surgeon. Qualigenix holds a 98.6% compliance and audit pass rate.
CASE STUDY 01
How A Neurosurgery Practice Recovered $77K On Missed Fusion Add-On Levels
THE SITUATION
Multi-level fusions were billed with the base code (22633) but the additional-level add-on (22634) and instrumentation (22840-series) were under-reported, and co-surgeon services lacked modifier 62, leaving major operative revenue uncaptured.
WHAT QUALIGENIX DID
We captured every documented fusion level with 22634 add-ons and instrumentation codes, applied modifier 62 for co-surgeons and 80 for assistants, and reconciled to the operative note.
Key Outcomes & Turnaround
22% to 4.5%Denial Rate
$77,000Revenue Recovered
72% to 97%Clean Claim Rate
22634 + Mod 62Coding Fix
Audited Practice Results
How A Spine Surgery Center Recovered $135K On Operative AR Backlog
THE SITUATION
Complex operative and device claims aged after a coding-staff gap, with instrumentation and assistant lines unbilled and a large balance.
WHAT QUALIGENIX DID
We cleared the backlog, captured instrumentation and assistant-surgeon charges, and set a cadence tied to the OR schedule.
Key Outcomes & Turnaround
38% to 13%AR Over 90 Days
$135,000Revenue Recovered
73% to 97%Clean Claim Rate
Instrumentation CaptureProcess Fix
Audited Practice Results
How An Academic Neurosurgical Program Recovered $112K On Spinal-Procedure Authorization
THE SITUATION
Spinal fusion, instrumentation, and cranial procedures were scheduled before authorization, so the highest-dollar claims denied.
WHAT QUALIGENIX DID
We secured authorization and device/admission approval before scheduling and tracked medical-necessity documentation.
Key Outcomes & Turnaround
23% to 2%Auth Denials
$112,000Revenue Recovered
75% to 97%Clean Claim Rate
Pre-Schedule Auth Workflow FixWorkflow Fix
Audited Practice Results
Neurosurgery Coding by Procedure Family
Qualigenix codes neurosurgery across spine, cranial, neuromodulation and peripheral nerve work.
Cervical Spine Fusion
ACDF is 22551 for the first interspace and 22552 for each additional one, with decompression included. Posterior cervical fusion is 22600, with 22614 for each additional level.
COMPLIANCE
How We Keep Neurosurgery Billing Compliant
Qualigenix bills neurosurgery against your MAC's fusion coverage criteria, Medicare's OPD and WISeR prior authorization requirements, and co-surgery rules that require each surgeon's distinct work to be documented. Implant relationships sit alongside the billing: manufacturer payments to surgeons are published in CMS Open Payments, so the medical-necessity record on every instrumented case has to stand on its own.
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Audit Pass Rate
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Variance Threshold
Why Neurosurgeons Choose Qualigenix
Medicare's audit data shows that spinal fusion errors are mostly about documentation, which is the part a billing team can control before the claim goes out.
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Improper payment rate, cervical spinal fusion (DRG 471–473)
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Share of improper payments due to insufficient documentation
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Share of improper payments due to incorrect coding
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Projected improper payments, cervical spinal fusion
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Qualigenix first-pass clean claim rate on first submission
QUESTIONS BUYERS ASK
Neurosurgery Billing FAQ
Qualigenix charges a percentage of the collections we bring in, so our fee moves with your revenue. The percentage depends on your case volume, payer mix and the services you hand over, and we set it after a call with your team.
Both co-surgeons bill the same code with modifier 62, and we coordinate the two claims so neither is denied. Assistants bill with 80, 82 or AS only when the fee schedule allows an assistant for that code.
We identify the primary payer at intake, get the workers' comp or auto authorization, bill under the state fee schedule or PIP coverage, and bill Medicare as secondary when MSP rules apply.
Yes. We sort aged spine and cranial claims by payer and denial reason, then correct and appeal them with the op note attached. Across all Qualigenix clients, days in A/R have dropped from 54 to 36.
Yes. We handle Medicare's OPD prior authorization for cervical fusion (22551, 22552) and spinal neurostimulators (63650), WISeR reviews for patients in the six model states, and commercial plan authorizations, with imaging and conservative-care records attached.
Yes. We code the primary interspace, each additional level, instrumentation by segments spanned and interbody devices by interspace, and we apply same-level decompression bundling. Across all clients, Qualigenix coding accuracy is 98.9%.
Yes. Qualigenix is system-agnostic and works across 133 EMR/EHR platforms, including hospital systems where your surgeons document.