UnitedHealthcare epiduroscopy adhesiolysis policy update

Coverage Criteria and Policy Determinations

Not medically necessary / Unproven

Not medically necessary / unproven procedures:

Unproven procedures: The following are unproven and not medically necessary for the diagnosis or treatment of any type of neck, back, or spinal disorder due to insufficient evidence of efficacy: discography (functional anesthetic discography, provocative discography), chemonucleolysis, epiduroscopy (including spinal myeloscopy), and percutaneous and endoscopic epidural lysis of adhesions.

Exact list as stated in policy

Percutaneous Adhesiolysis (PA) — Coverage criteria

Covered when ALL of the following are met

PA candidate criteria: 1) Chronic low back and/or radicular pain (including failed back surgery syndrome) refractory to conservative management; 2) Prior conservative therapies including physical therapy, medications, structured exercise program, and fluoroscopically directed epidural injections have failed; 3) Imaging (e.g., MRI) confirming a compatible target and absence of an alternative surgical indication.

Based on systematic reviews and RCTs (including Gerdesmeyer) and Hayes report indicating PA as a treatment option after failure of conservative care.

Chemonucleolysis — Coverage stance

Experimental/Investigational or Insufficient Evidence

Chemonucleolysis (various agents): 1) Evidence for condoliase includes an RCT showing greater VAS improvement versus placebo but with limitations (restricted inclusion criteria, limited long-term safety data); 2) Evidence for gelified ethanol and DiscoGel is limited to small observational or retrospective series with no definitive RCTs demonstrating superiority to surgery; 3) Overall evidence is insufficient to broadly support coverage outside clinical trials or clearly defined indications.

Trials show some efficacy but have limitations in size, follow-up, and generalizability; further high-quality RCTs are needed.

Epiduroscopy and Endoscopic Adhesiolysis — Coverage considerations

Mixed coverage stance depending on indication and evidence

Epiduroscopy/Endoscopic adhesiolysis: 1) Some evidence demonstrates short- to intermediate-term improvements in pain and function for select patients (for example, individuals with FBSS); 2) Quality of evidence is variable (moderate to low) with guideline and safety concerns noted (NICE: limited evidence; systematic reviews: potential benefit but methodological limitations); 3) Therapeutic endoscopic procedures should be considered with appropriate clinical governance, informed consent, and preferably in the context of research or audit when evidence is limited.

Consider patient selection and institutional governance; some RCTs (eg, Gerdesmeyer for PA) showed sustained benefit but endoscopic adhesiolysis evidence is more limited.

The policy designates certain procedures as unproven and not medically necessary for the diagnosis or treatment of any neck, back, or spinal disorder because evidence of efficacy is insufficient. Specifically, discography (including functional anesthetic and provocative techniques), epiduroscopy (including spinal myeloscopy), and percutaneous and endoscopic epidural lysis of adhesions are listed as not medically necessary.

Consistent with the American College of Radiology (ACR) appropriateness criteria, the policy notes that discography is not supported by relevant literature for several common indications, including acute uncomplicated low back pain, subacute or chronic low back pain without red flags or prior management, initial imaging for suspected cauda equina, and evaluation of new or progressive symptoms after prior lumbar surgery.

The policy clarifies that FDA approval alone is not a basis for coverage. Device listings or marketing clearance for endoscopes, catheters, needles, or diagnostic products do not by themselves establish medical necessity for the procedures described.

The procedures explicitly described in the policy as unproven include: functional anesthetic discography, provocative discography, epiduroscopy (including spinal myeloscopy), and percutaneous and endoscopic epidural lysis of adhesions. Chemonucleolysis is listed separately in the document and also addressed under investigational/insufficient evidence.

For therapeutic endoscopic division of epidural adhesions, the policy references NICE guidance that significant safety concerns exist and evidence is limited to short-term efficacy; therefore this procedure should only be used with special arrangements for clinical governance, informed consent, and audit or research.

Coding and Billing

Referenced CPT/Unlisted codes and radiology codesCPT

62263	Percutaneous lysis of epidural adhesions using solution injection (e.g., hypertonic saline, enzyme) or mechanical means (e.g., catheter) including radiologic localization (includes contrast when administered), multiple adhesiolysis sessions; 2 or more days
62264	Percutaneous lysis of epidural adhesions using solution injection (e.g., hypertonic saline, enzyme) or mechanical means (e.g., catheter) including radiologic localization (includes contrast when administered), multiple adhesiolysis sessions; 1 day
62290	Injection procedure for discography, each level; lumbar
62291	Injection procedure for discography, each level; cervical or thoracic
62292	Injection procedure for chemonucleolysis, including discography, intervertebral disc, single or multiple levels, lumbar
64999	Unlisted procedure, nervous system
72285	Discography, cervical or thoracic, radiological supervision and interpretation
72295	Discography, lumbar, radiological supervision and interpretation

Provider Actions, Prior Authorization, and Documentation

Prior Authorization

Verify plan prior authorization and criteria

Verify the member’s federal, state, and contractual benefit plan prior to submitting a request. Use applicable UnitedHealthcare prior authorization tools and the member’s plan documents to determine whether prior authorization is required and which clinical criteria apply.

Prior authorization requirements vary by plan and state — for Pennsylvania members follow PARP and Pennsylvania-specific requirements.
Use UnitedHealthcare prior authorization portals/tools and the member’s benefit documents to confirm whether services require prior authorization.

Denial Risk

Denial risk for unproven procedures

Requests for procedures listed as unproven in this policy (for example, discography, provoc/functional discography, chemonucleolysis, epiduroscopy, and percutaneous or endoscopic epidural lysis of adhesions) carry a higher risk of denial when submitted as medically necessary because evidence is insufficient to establish clinical benefit.

Conservative Treatment Requirements and Study Preconditions

Conservative treatment trial documented in cited literature

Conservative treatment trial documented in cited literature (study-specific prerequisites vary):

Study-specific conservative therapy prerequisites: Requirements vary by study: examples include at least 1 month of conservative therapy in some studies and 6 months resistance to conservative treatment in others; cited chemonucleolysis and DiscoGel studies enrolled patients after failure of conservative measures (medication, physical therapy, and/or prior injections).

Formal policy step-therapy rules are not specified in this partial document; use cited study criteria for study-context decisions.

Imaging and Procedural Guidance Requirements

Documentation Required

Use fluoroscopic guidance and MRI per study technique descriptions

Fluoroscopic guidance is required for the described image‑guided procedures, and MRI is frequently used to confirm diagnosis and for follow‑up evaluation as described in the clinical studies.

Discography, chemonucleolysis, and epidural adhesiolysis techniques are described using fluoroscopic guidance.
Obtain MRI to confirm disc herniation or epidural pathology prior to intervention.

Documentation Required

Obtain MRI (and epidurogram when applicable) before chemonucleolysis or LOA

MRI should be performed to confirm disc herniation or epidural pathology prior to chemonucleolysis or epidural lysis of adhesions; an epidurogram may be used to assess filling defects when applicable.

Policy notes MRI and epidurogram as imaging used in trials and diagnostic evaluation.
Ensure imaging documents a compatible target and absence of alternative surgical indications.

Frequency Limits and Repeat Procedures

Discography and Chemonucleolysis — Image guidance and frequency

Image guidanceDiscography and chemonucleolysis are described in technique and study methods as image‑guided procedures (fluoroscopic guidance and radiologic localization).

Billing codes referencedDiscography and chemonucleolysis procedures reference radiologic supervision/interpretation CPT codes (e.g., 72285, 72295) and procedure codes (e.g., 62290, 62292).

Frequency limitsSpecific frequency limits for discography and chemonucleolysis are not provided in this section of the policy.

Technique noteChemonucleolysis involves intradiscal injection (see chemonucleolysis definitions/technique); discography includes contrast injection with radiologic supervision.

Percutaneous Adhesiolysis — Repeat procedures and evidence

Repeat procedures may be needed

Definitions

Epiduroscopy — Definition and brief description

DefinitionEpiduroscopy: endoscopic visualization of the epidural space with direct removal or mechanical disruption of adhesions and fibrosis, saline flushing, and administration of steroids to cleanse inflammatory agents.

Diagnostic and therapeutic usesUsed to visualize anatomy and pathology (eg, cauda equina, epidural space) and may guide mechanical or pharmacologic interventions for epidural pathology; diagnostic value demonstrated in observational studies.

Evidence noteFeasibility and observational studies report pain and functional improvements in FBSS; systematic reviews describe clinically relevant short‑ to intermediate‑term benefits but varying evidence quality.

Functional Anesthetic Discography — Definition

DefinitionFunctional anesthetic discography: injection of an anesthetic agent directly into a spinal disc followed by provocative activities; pain before and after anesthetic is compared to confirm disc involvement.

Background and Rationale

Epiduroscopy and epidural lysis of adhesions are minimally invasive procedures performed to visualize and, when indicated, mechanically or chemically remove epidural adhesions and fibrosis with the intent of reducing chronic low back and radicular pain. Chemonucleolysis involves intradiscal injection of proteolytic enzymes (for example, condoliase) to dissolve herniated nucleus pulposus and relieve radicular symptoms. These procedures are described in the clinical literature as image-guided interventions performed in selected patients, but overall evidence for widespread clinical benefit and long-term safety is limited and mixed.

Not Covered / Exclusions

Not covered under this policy are: functional anesthetic discography and provocative discography; epiduroscopy (including spinal myeloscopy); percutaneous epidural lysis of adhesions; and endoscopic epidural lysis of adhesions. Additionally, therapeutic endoscopic epidural adhesiolysis performed outside special governance, consent, and research/audit arrangements is not covered due to limited evidence and safety concerns.

OpenPayer

Epiduroscopy, Epidural Lysis of Adhesions, and Discography (for Pennsylvania Only)