Key documentation elements include: Two documented positive MBBs (dates, percentage of relief, duration) Numeric pain scale recorded before and after each diagnostic block Confirmed failure of conservative treatment (physical therapy, medications) MRI or CT confirming facet degeneration or spondylosis (for some MACs) Procedure note including electrode placement, temperature, and impedance readings High Audit Risk: RFA is a primary focus of CMS Recovery Audit Contractor (RAC) and Zone Program Integrity Contractor (ZPIC) reviews
Intradiscal pressure measurements in normal discs, compressed discs and compressed discs treated with axial posterior disc distraction: An experimental study on the rabbit lumbar spine model
However, when investigating acute responses, dose-response relationships with exacting precision, or aiming for maximal therapeutic effect, the injectable form clearly holds an advantage
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In the United States, there are two FDA-approved prescription azelaic acid formulations: Finacea (Azelaic Acid 15% Gel) Finacea is FDA-approved for the treatment of inflammatory rosacea (the kind with persistent redness, papules, and pustules)