Wiki RFA Lateral or Medial Bilateral

Yes, 64640 and 64635 can be billed as bilateral procedures. 64625 is the new code for radiofrequency ablation of the nerves innervating the sacroiliac joint (eg, dorsal ramus nerve, S1, S2 and S3 nerves). It is reported only once per side for the entire joint. For a bilateral procedure 64625 can also be reported with modifier 50 (Bilateral Procedure).
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