Knowledge Base Article

In January, the Supplemental Medical Review Contractor (SMRC) Noridian Healthcare Solutions, LLC (Noridian) finally posted current SMRC projects related to inpatient claims as depicted in the following table.

So what about Project’s 01-001, 01-002 and 01-003? Noridian notes on their website that “at CMS discretion, not all projects will be made available on this website.” Spinal Fusions have been subject to audit for several years now. This article focuses on Spinal Fusions. More specifically we will look at prior Spinal Fusion audits, the SMRCs Medical Review Announcement, why new audits may focus on DRG Validation, what other Medicare Contractors are auditing Spinal Fusions, and next steps for hospitals.

A Look Back at Spinal Fusions Audits

Cahaba, GBA

Prior to calendar year 2018 Cahaba, GBA was the Medicare Administrative Contractor (MAC) for Jurisdiction J which includes Alabama, Georgia and Tennessee. In October 2012 they posted probe review results of MS-DRG 460. Out of 306 claims submitted 172 were denied. Cahaba indicated the documentation they would expect to find would include:

• Pre-procedure radiologic findings or mention of the radiology report results in the medical record,
• Failed conservative measures/treatment prior to surgery,
• Documentation of duration of pain and/or impairment of function,
• Physical exam documenting the functional pathology, and
• Documentation of instability if applicable.

Strategic Health Solutions

Strategic Health Solutions, LLC (Strategic), the first SMRC Contractor, completed a review of Spinal Fusions in year one of their contract. Strategic noted that analysis of claims data for calendar years 2012 and 2013 indicated a significant increase in billing and payment for MS-DRGs 459 and 460 (Spinal Fusion with and without MCC respectively).  As a result of this analysis, Strategic selected a random sample of 2,000 claims representing 125 unique facilities with dates of service June 1, 2012 through May 31, 2013. The overall outcome of this audit is depicted in the following table:

‍July 2015 Medicare Quarterly Compliance Newsletter

The July 2015 edition the newsletter included findings from a Comprehensive Error Rate Testing (CERT) special study of orthopedic surgeon’s claims for fusion of the lumbar spine. This article provided examples of improper payments due to insufficient documentation. In one example the physician had submitted an operative note. It was what was not submitted that caused the improper payment. Specifically there no visit notes, consultant’s notes, lumbar spinal imaging results, documentation of prior conservative measures attempted or completed or documentation of a condition that would have made conservative treatment inappropriate.

CMS stated “it is important to note that supplier prepared statements and physician attestations that conservative treatment measures were completed do not by themselves provide sufficient documentation of medical necessity, even if signed by the ordering physician. For example, a claim was scored an insufficient documentation error when a physician dictated the following generalized statement as part of an operative note without providing any supporting documentation, “the patient failed conservative measures and has met all of the Medicare requirements.”

Palmetto GBA Jurisdiction M Review

In 2015 and 2016 Palmetto conducted pre-payment service specific targeted medical reviews on MS-DRG 460. By the eighth quarter of targeted medical review this review had been discontinued in North Carolina, Virginia and West Virginia based on “acceptable Edit Effectiveness results.” In February 2017 they posted results for South Carolina’s eighth quarter of targeted medical reviews for claims processed October 1, 2016 through December 2016. Twenty three of forty three claims were completely or partially denied which represented $560,903.53 dollars denied and a charge denial rate of 50.8%. Examples of “granular detail” of reasons for denial included the following:

• No documentation of conservative measures/treatments failed or no documentation of neurological impairment-spinal stenosis.
• No documentation of pain impacting the functional ability of beneficiary despite conservative treatment.
• No X-ray, CT or MRI results submitted that support advanced degenerative changes, mechanical instability, and deformity of the lumbar spins or neural compression that would require this type of procedure.

For those closely involved with documentation requirements for total hip and knee procedures, the expected documentation requirements by Cahaba, the CERT and Palmetto should hopefully sound vaguely familiar.

Noridian Medical Review Announcement

Noridian’s Medical Review announcement notes this is a post-payment review of claims for Part A services billed on dates of service from January 1, 2017, through December 31, 2017. They note that prior review activities have focused on MS-DRGs 459 and 460 (Spinal Fusion except cervical with and without MCC respectively) and “further medical review activities were anticipated.”

Documentation Requirements

Specific documentation requirements being requested in the Additional Documentation Request (ADR) is in line with prior Spinal Fusion audits and includes the following:

1. Office notes/hospital record, including history and physical by the attending/treating surgeon
2. Documentation of the history and duration of unsuccessful conservative therapy (non-surgical medical management as applicable)
3. Records sufficient to document failed non-surgical medical management to include, but not limited to the following:
4. Documentation to support activity modifications and exercises or explanation why these could not be completed
5. Documentation and clinical notes to support supervised skilled physical therapy (PT) and/or occupational therapy (OT) for support of activities of daily living (ADLs) diminished despite completing a plan of care or explanation why these could not be completed
6. Documentation to support the trial of anti-inflammatory medications, oral or injection therapy as appropriate, and analgesics, or explanation why these could not be used
7. Interpretation and reports for X-rays, MRI’s, CT’s, etc.
8. Medical clearance reports (as applicable)
9. Complete operative report(s)

The review announcement also includes references and resources including two Local Coverage Determinations (LCDs) for Spinal Fusion.

• The first LCD is L33382 Lumbar Spinal Fusion for Instability and Degenerative Disc Conditions. This is First Coast Service Options, Inc. LCD. They are the MAC for Jurisdiction N which includes Florida.

• The second LCD is L35942 Surgery: Fusion for Degenerative Joint Disease of the Lumbar Spine. This was a Cahaba GBA LCD for Alabama, Georgia and Tennessee that was active during the date range of claims being reviewed.

Spinal Fusion and MS-DRG Validation Reviews

In addition to medical necessity audits, changes in the FY 2019 IPPS Final Rule could well prompt Spinal Fusion MS-DRG validation reviews. Spinal Fusion procedures require some type of device to facilitate fusion of the vertebral bones (i.e. instrumentation with bone graft or bone graft alone.) When an ICD-10-PCS code includes a device value of “Z” this means that “No Device” was used in the procedure. CMS identified ICD-10-PCS codes describing spinal fusion with a device value of “Z” meaning they were clinically invalid codes for Spinal Fusions.

CMS analyzed the FY 2017 MedPAR File and found that “invalid spinal fusion procedures represented approximately 12% of all discharges across the spinal fusion MS-DRGs.” They also found this group of claims to have a longer length of stay and higher average costs as reflected in the following summary table for spinal fusion procedures provided by CMS in the FY 2019 IPPS Final Rule.   

As a result of their review, CMS deleted 99 spinal fusion ICD-10-PCS procedure codes with a device value of “Z” effective October 1, 2018. CMS plans to continue to collaborate with the American Hospital Association (AHA) through Coding Clinic and provide further education on spinal fusion procedures and proper reporting of procedure codes.

Who else is Reviewing Spinal Fusion MS-DRGs?

CGS Administrators, LLC (CGS)

CGS, the Jurisdiction J MAC for Kentucky and Ohio, currently has edits in place to review Spinal Fusion MS-DRGs 456-460 as part of their Targeted Probe & Educate Process.

Recovery Auditors

All of the Recovery Auditors have received approval to perform complex inpatient hospital MS-DRG Coding Validation reviews.  With the issues noted by CMS in the FY 2019 IPSP Final Rule there is a high possibility that they may include spinal fusions in their list of audits.

Moving Forward

Noridian Resource

While Noridian as the SMRC Contractor is conducting post-payment reviews of Spinal Fusions (MS-DRGs 459 and 460), Noridian is also the MAC for Jurisdictions J-E (California, Hawaii, Nevada, American Samoa, Guan, Northern Mariana Islands) and J-F (Alaska, Arizona, Idaho, Montana, North Dakota, Oregon, South Dakota, Utah, Washington and Wyoming).

Noridian has a Local Coverage Article titled Spinal Fusion Services: Documentation Requirements for both MACs. (J-E Article A53972 and J-F Article A53975). The articles indicate that the “Noridian Medical Review team and CERT contractor has identified multiple errors regarding documentation to support the medical necessity of spinal fusion procedures. This article clarifies medical necessity and documentation requirements regarding spinal fusion procedures.”

CMS Resource

In 2016 CMS created a Provider Compliance Video containing pointers to help provide proper documentation when billing for Lumbar Spinal Fusion. You can find a link to this YouTube video on the CMS website.

Spinal Fusion audits are not new. The documentation expectation to support the medical necessity of the procedure has been made known by several different auditors. There are a few key questions that you should answer.  

• Do your surgeons know what documentation elements are required?
• Does your staff responding to ADRs know what information needs to be sent to an auditor?
• Have you performed an internal audit of Spinal Fusion records to make sure expected documentation is in the record?

If you can’t answer yes to these three questions, now is the time to make sure you can.