Intervention Maps · Chronic low back pain · Radiofrequency denervation
Radiofrequency denervation when a specific source of back pain is suspected
This page is about a procedure considered when clinicians suspect a specific source of back pain, often after a diagnostic block. It is not a routine treatment for everyone with chronic back pain.
Bottom line
Radiofrequency denervation is considered when a specific pain source is suspected, not as a structural repair and not as an epidural. Large-review averages are small and stay below the authors’ threshold for a change patients might notice. NICE says clinicians may consider the procedure after a positive medial branch block, but that recommendation does not establish that the average benefit is large enough for patients to notice.
What it is
A needle-based procedure that uses heat to interrupt pain signals from a targeted nerve pathway, commonly around facet joints and sometimes other suspected sources. A diagnostic block is often used first to test whether that pathway seems relevant.
What taking part usually involves
Imaging-guided clinic or day-case care. A temporary block may come before denervation. Follow-up asks whether pain changed enough to matter. This is not an epidural steroid injection and not disc repair.
What this is commonly confused with
A treatment offered to everyone with chronic back pain. Proof that a “pain generator” has been confirmed as fact. Disc or joint rebuilding. An epidural.
What the evidence shows
A large 2026 review finds small pain and function improvements versus sham, steroid, or standard care across several splits. None of those averages exceeded the review’s predefined threshold for a change patients might notice.
NICE says clinicians may consider radiofrequency denervation after a positive medial branch block.
Who was studied, expectations, and limits
Population and context studied: people considered for the procedure when a specific source is suspected, including after diagnostic blocks; the review also includes nonspecific chronic low back pain splits.
That describes when the procedure is commonly considered in research and guidelines. It does not decide your personal candidacy.
Realistic expectation: average improvements are small and remained below the review’s threshold for a change patients might notice. Limits: not structure repair; not epidural care.
Evidence consulted Open sources
Key sources used to prepare this answer. This is not a citation for every sentence.
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