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Transforaminal Epidural Steroid Injection denials: what the review data shows

Independent reviewers have decided 15 published cases where an insurer denied Transforaminal Epidural Steroid Injection — and they overturned the insurer 86.7% of the time. A denial for Transforaminal Epidural Steroid Injection is a starting position, not a final answer.

Published decisions
15
2001–2026
Overturned
86.7%
13 denials reversed
Typical time to a decision
5 days
Most land between 2 and 9 days
Handled as urgent
80%
Expedited when a delay would cause harm
What the reviewers wrote
Excerpts from the independent reviewers’ published findings — the actual reasoning, quoted, not summarised.

Where the denial was overturned

The enrollee is requesting authorization and coverage for transforaminal epidural steroid injections, Norco 10/325, and Flexeril, 10mg. The enrollee has low back and right leg pain. The enrollee received a right lumbar transforaminal block. She has chronic, disabling pain, which has caused psychological, social, and physical impairment. Conservative treatments have been used without relief. These include non-steroidal anti-inflammatory drugs and physical therapy. The record indicated her blood level of Norco was within normal limits and her urine toxicology screen was also normal, with no use of illicit substances. The enrollee indicates with her current pain medications, she was able to feel better, sleep more and be more active. She did not report any side effects related to the pain medication.
Medical Necessity · 2019 · IMR MN19-31976
Findings: The physician reviewer found that Nature of Statutory Criteria/Case Summary: The patient has requested authorization and coverage for transforaminal epidural steroid injections. The researchers guidelines for epidural steroid interventions state, “For thoracic disc herniation, based on one relevant, high-quality randomized controlled trial (RCT) of thoracic epidural with fluoroscopic guidance, with or without steroids, the evidence is Level II with moderate to strong recommendation for long-term effectiveness.” In a systematic review and meta-analysis of epidural injections for lumbar radiculopathy or sciatica, researchers report, “A comparative systematic review and meta-analysis of the Cochrane Review of RCTs of epidural injections in managing chronic low back and lower extremity pain with sciatica or lumbar radiculopathy yielded different results.
Medical Necessity · 2023 · IMR MN23-39816

Where the denial was upheld

Worth reading too — these show what an appeal has to overcome.
Nature of Statutory Criteria/Case Summary: An enrollee has requested authorization and coverage for transforaminal epidural steroid injections for treatment of the enrollee's chronic low back pain. Findings: The physician reviewer found that evidence based medical guidelines support the use of epidural steroid injections as a possible option for the treatment of radicular pain defined as pain in dermatomal distribution with corroborative findings of radiculopathy. On the other hand, medical evidence suggests that epidural corticosteroid injections are not effective for spinal stenosis or non-radicular back pain. The criteria for epidural steroid injections include radiculopathy documented by physical examination and corroborated by imaging studies and/or electrodiagnostic studies. Furthermore, patients should have been initially unresponsive to conservative treatment.
Medical Necessity · 2017 · IMR MN17-24559
Nature of Statutory Criteria/Case Summary: An enrollee has requested authorization and coverage for Anesthetic Injection (CPT64483), Epidural Injection (CPT 64484), and Dexamethasone Sodium Phosphate Injection (HCPCS J1100).In this case, the patient has a history of low back and left hip pain with radiculopathy to the left leg. Records show that the patient’s pain interferes with activities of daily living. She has reported significant relief of pain and improved activities of daily living with the pain medication Norco. She has been diagnosed with lumbago with left sciatica. She has undergone multiple transforaminal epidural steroid injections on the left at L4, L5, and S1 with reported improvement in pain and function. The patient’s pain management physician has requested authorization for a left sided transforaminal epidural steroid injection.
Medical Necessity · 2020 · IMR MN20-33206

Figures and quotations on this page come from 42,749 published decisions in the California DMHC Independent Medical Review dataset. These are California outcomes — every state runs an equivalent external review, but the rates here are California’s. Excerpts are quoted verbatim from the public record and describe this treatment generally, not any individual case.

How to use this in your appeal

These are outcomes from California’s external review program — an independent physician panel that binds the insurer. Every state has an equivalent process, and internal appeals succeed even more often. Cite the outcome record for Transforaminal Epidural Steroid Injectionwhen you appeal: reviewers routinely find that denials like yours didn’t hold up.

SOURCE: CALIFORNIA DMHC INDEPENDENT MEDICAL REVIEW OUTCOMES (CHHS OPEN DATA) · DERIVED AGGREGATE STATISTICS ONLY · METHODOLOGY

Not legal or medical advice. Coverage Rights is a self-help tool that helps you prepare your own appeal. For advice about your specific situation, talk to a licensed attorney or your doctor.

Denied Transforaminal Epidural Steroid Injection? 86.7% got it reversed.

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