Disc Decompression Procedures
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Defines medical necessity criteria for open discectomy and microdiscectomy for lumbar disc herniation and states Centene's position on various minimally invasive disc decompression procedures; applies to Centene-affiliated health plans and providers submitting requests for these procedures.
No material clinical or coverage changes in this revision.
Coverage Criteria — Disc Decompression Procedures
Medical necessity for open discectomy/microdiscectomy
Open discectomy and microdiscectomy are medically necessary when ALL of the following are met:
Criteria A
Criteria B
Radiculopathy with neurologic deficit
- Severe neurologic deficit: Severe weakness in a nerve root distribution, as evidenced by Medical Research Council (MRC) muscle strength score < 3, or inability to ambulateMRC < 3
C.a
- Mild-moderate weakness with failed conservative therapy: Mild to moderate weakness in a nerve root distribution (MRC = 4) AND failure of conservative therapy within the last year, including all of the following: ~4 weeks activity modification; ~4 weeks physical therapy or prescribed home exercise program (or documentation of inability to tolerate); AND one of: (1) NSAID or acetaminophen for ~3 weeks unless contraindicated or not tolerated, OR (2) epidural steroid injectionPT/activity ~4 weeks; medication ~3 weeks
C.b
Position on minimally invasive discectomy procedures
Minimally invasive discectomy procedures are not considered superior and are generally not preferred:
Listed in policy as not proven superior; evidence inconsistent and may be inferior for some outcomes
Interspinous and interlaminar process stabilization or spacer devices and select minimally invasive and endoscopic decompression techniques are listed in this policy as not proven superior to conventional open discectomy or microdiscectomy. Examples called out include percutaneous laser discectomy, percutaneous lumbar discectomy (manual or automated), laser‑assisted disc decompression, percutaneous nuclectomy, percutaneous endoscopic discectomy, endoscopic spinal surgery systems, endoscopic laser percutaneous discectomy, and interspinous/interlaminar process stabilization/spacer devices. Specific HCPCS device codes referenced as not supporting coverage include C1821 and S2348.
When state Medicaid coverage provisions conflict with the coverage statements in this clinical policy, the state Medicaid provisions take precedence. Providers should consult the applicable state Medicaid manual for any coverage rules that supersede this policy.
Evidence comparing minimally invasive discectomy (MID) techniques to open discectomy or microdiscectomy is inconsistent and does not demonstrate clear superiority of MID. Systematic reviews have found MID may be inferior for pain relief and re‑hospitalization while showing some benefits such as lower infection risk and shorter hospital stay; however, the overall quality of the evidence is moderate to low and additional research is needed. Because MID techniques are more technically complex and carry potential risk of inadequate decompression, they are not preferred over conventional procedures.
Coding — CPT and HCPCS References
| 62287 | Decompression procedure, percutaneous, of nucleus pulposus of intervertebral disc, any method utilizing needle based technique to remove disc material under fluoroscopic imaging or other form of indirect visualization, with discography and/or epidural injection(s) at the treated level(s), when performed, single or multiple levels, lumbar |
| 0275T | Percutaneous laminotomy/laminectomy (interlaminar approach) for decompression of neural elements, any method, under indirect image guidance, lumbar |
| 22867 | Insertion of interlaminar/interspinous process stabilization/distraction device, without fusion, including image guidance when performed, with open decompression, lumbar; single level |
| 22868 | Insertion of interlaminar/interspinous process stabilization/distraction device, without fusion, including image guidance when performed, with open decompression, lumbar; second level |
| 22869 | Insertion of interlaminar/interspinous process stabilization/distraction device, without open decompression or fusion, including image guidance when performed, lumbar; single level |
| 22870 | Insertion of interlaminar/interspinous process stabilization/distraction device, without open decompression or fusion, including image guidance when performed, lumbar; second level |
| affected codes | Policy refers to procedure codes that may be subject to prior authorization and applicability of NCDs/LCDs/state Medicaid rules |
Provider Actions — Authorization, Documentation, and Billing Risks
Prior Authorization Required
Prior authorization is required for the listed procedure codes. Procedures coded with the listed CPT/HCPCS codes should be reviewed for medical necessity prior to scheduling or performance. Providers must obtain prior authorization per Health Plan policy to avoid claim denials or delays.
- Prior authorization required for procedures coded with CPT/HCPCS codes listed in the policy (e.g., open discectomy/microdiscectomy codes and specified minimally invasive codes).
- Coverage decisions are subject to member benefit terms and prior authorization determinations.
Required Clinical Documentation
Providers must document diagnosis of herniated lumbar disc with imaging evidence of nerve root compression and include objective neurologic findings. Documentation should include Medical Research Council (MRC) muscle strength scores, descriptions of sensory deficits, and records of conservative therapy trials when applicable.
- Document diagnosis of herniated lumbar disc and imaging confirming nerve root compression.
- Include objective neurologic findings (e.g., MRC muscle strength scores, ambulatory status).
- If applicable, include details of radiculopathy (motor or sensory deficits) and progression or worsening of symptoms.
Conservative Therapy Requirements
Conservative therapy must be tried and documented when required by the criteria. Trials generally include activity modification, a structured physical therapy or home exercise program (~4 weeks), and NSAID or acetaminophen (~3 weeks) unless contraindicated. Epidural steroid injection may be required as an alternative per criteria.
- Activity modification for approximately 4 weeks.
- Physical therapy or prescribed home exercise program for approximately 4 weeks, or documentation of inability to tolerate.
- NSAID or acetaminophen for approximately 3 weeks unless contraindicated or not tolerated.
- Epidural steroid injection when specified by the clinical criteria.
Coding and Billing Risks for Unsupported Procedures
Use of codes for minimally invasive or investigational devices/procedures (including certain HCPCS/CPT codes and implant codes) may not be supported by this policy and can result in claim denials. Verify that the specific procedure performed aligns with the policy's covered procedures before billing.
Prior Authorization and Regulatory Review / Provider Judgment
Coverage decisions are subject to benefit terms and may require prior authorization per the Health Plan. Providers must exercise professional medical judgment and adhere to coverage terms, conditions, exclusions and limitations in the member's coverage documents. Review applicable Medicare NCDs/LCDs and state rules where relevant.
- Providers are expected to exercise professional medical judgment in providing appropriate care.
- Adhere to all terms, conditions, exclusions and limitations of the member's coverage documents (EOC, policy, contract).
- Review applicable Medicare NCDs/LCDs and state Medicaid rules; state Medicaid provisions take precedence when in conflict.
State Medicaid and Medicare Compliance Reminder
When state Medicaid coverage provisions conflict with this clinical policy, state Medicaid provisions take precedence. Failure to follow applicable state or federal rules may affect payment.
- For Medicaid members/enrollees, refer to the state Medicaid manual for coverage provisions.
- For Medicare members/enrollees, review applicable Medicare NCDs, LCDs and Coverage Articles at cms.gov when applying policy criteria.
Provider Action Notes
Providers should take action to ensure prior authorization, complete documentation, and correct coding are submitted. Failure to provide required documentation or to obtain prior authorization may result in claim denial or delayed payment.
- Obtain prior authorization where required before performing the procedure.
- Submit imaging, MRC muscle strength scores, conservative therapy records, and any other documentation supporting medical necessity with the authorization/claim.
- Ensure billed CPT/HCPCS codes accurately reflect the procedure performed to avoid denials for investigational or unsupported procedures.
Background
Open discectomy and microdiscectomy are established surgical procedures to remove the portion of an intervertebral disc compressing a nerve root or the spinal cord. Open discectomy is performed through a standard surgical incision, while microdiscectomy uses a smaller incision and magnification (microscope) to directly visualize and remove herniated disc material. These procedures are considered the conventional standards of care for symptomatic lumbar disc herniation when clinical criteria are met and are the preferred approaches when adequate decompression is required.
Definitions
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