Cervical Medial Branch Blocks in Garden City & Lake Success, NY

Cervical medial branch blocks to identify cervical facet joint pain as the source of neck pain and headaches. Dr. Rubin, pain management, Nassau County, Long Island.

Cervical Medial Branch Blocks

Cervical medial branch blocks are precise diagnostic injections that temporarily numb the medial branch nerves — the sensory nerves that transmit pain from the cervical facet joints to the brain. These blocks are the necessary first step before proceeding to cervical radiofrequency ablation for long-lasting facet joint pain relief. They are one of the most reliable tools for pinpointing the true source of chronic neck pain.

The Role of Cervical Facet Joints in Neck Pain

The cervical facet joints allow the neck to bend and rotate while providing structural stability. With age, injury (especially whiplash), and degeneration, these joints can become arthritic and painful. Cervical facet pain is a very common but frequently under-diagnosed cause of neck pain, headaches, and shoulder pain.

Signs that suggest cervical facet involvement:

  • Neck pain that worsens with extension (bending the head backward) or rotation
  • Referred pain to the occiput (back of the head), shoulders, or upper back — but not to the arms
  • Tender points directly over the cervical spine on palpation
  • History of whiplash or motor vehicle accident

Diagnostic Block Protocol

Two sets of medial branch blocks are typically required (on separate occasions) before radiofrequency ablation can be performed. This two-block protocol is the evidence-based standard for confirming facet-mediated pain and ensuring that only appropriate candidates proceed to ablation.

  • Block 1: Local anesthetic injected at each target nerve level
  • If positive: Block 2 performed on a separate visit with the same or different anesthetic
  • If both blocks positive: Patient proceeds to cervical radiofrequency ablation

The Procedure

Under fluoroscopic guidance, small amounts of local anesthetic are injected at each medial branch nerve level being tested. Multiple levels are typically blocked in a single session. The procedure takes 20–30 minutes.

Path to Long-Lasting Relief

A successful medial branch block is the gateway to cervical radiofrequency ablation — a procedure that can provide 12–18 months of relief from cervical facet pain with a single treatment. If you've been told that radiofrequency ablation was not covered or that you're not a candidate, confirm with our office — proper documentation of two positive blocks is required and often not performed elsewhere. Patients with pain radiating into the arm may instead have cervical radiculopathy, which is evaluated differently.

Contact Us

Call 516-492-3100 to begin the diagnostic process for cervical facet-mediated neck pain.

Frequently Asked Questions

What is a cervical medial branch block?+

A cervical medial branch block is a diagnostic injection that places a small amount of local anesthetic next to the medial branch nerves, which carry pain signals from the cervical facet joints. If your neck pain improves after the injection, it confirms the facet joints as the source — and identifies you as a candidate for longer-lasting radiofrequency ablation.

How long does a cervical medial branch block last?+

Because the block uses a local anesthetic, the pain relief is temporary — usually a few hours to a day. The goal of the block is diagnostic: to confirm the source of pain, not to provide lasting relief. Lasting relief comes from cervical radiofrequency ablation once two blocks are positive.

Is a cervical medial branch block painful?+

Most patients tolerate the procedure very well. The skin is numbed first, and the injections take only 20–30 minutes under fluoroscopic (live X-ray) guidance. Soreness at the injection site for a day or two is normal.

Why are two medial branch blocks needed before ablation?+

Two positive blocks on separate visits are the evidence-based standard required to confirm facet-mediated pain and to satisfy insurance criteria for radiofrequency ablation. Skipping this step is a common reason patients are told ablation is 'not covered' — proper documentation of two positive blocks is essential.

What is the difference between a medial branch block and radiofrequency ablation?+

A medial branch block is a short-acting diagnostic test. Cervical radiofrequency ablation is the treatment — it uses heat to interrupt the same nerves, providing 12–18 months of relief. The block tells us whether ablation will work for you.

Dr. Edward S. Rubin, MD
Written & Reviewed by Dr. Edward S. Rubin, MD
Board-Certified Pain Management Specialist · Cornell/Columbia Fellowship · Long Island, NY
About Dr. Rubin →
Serving patients from: Garden City, New Hyde Park, Great Neck, Manhasset, Mineola, Floral Park, Westbury, Roslyn, Forest Hills, Jamaica, and surrounding Nassau County, Long Island, and Queens communities.

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