Date Posted: September 17, 2026

This Billing and Coding Article has been revised under contractor numbers: 02101 (AK), 02201 (ID), 02301 (OR), 02401 (WA), 03101 (AZ), 03201 (MT), 03301 (ND), 03401 (SD), 03501 (UT), and 03601 (WY).

Effective Date: September 17, 2026

Summary of Changes:

Under Article Text, added: "For neurolytic destruction of the nerves innervating the T12-L1 and L1-L2 paravertebral facet joints, use 64633 and 64636." Revised: "64634 should be used in conjunction with 64633 and 64636 should be used in conjunction with 64635" to "64634 should be used in conjunction with 64633 and 64636 should be used in conjunction with 64635 or 64633 for neurolytic destruction of two levels involving the nerves innervating the T12-L1 and L1-L2 paravertebral facet joints."

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