Coding for Trigeminal Neuralgia #3

Question:

How is RFA rhizotomy of the trigeminal nerve at the second and third division branches of the foramen ovale reported ? The diagnosis was Trigeminal Neuralgia.

Answer:

This procedure is coded as 64605, Destruction by neurolytic agent, trigeminal nerve second and third division branches at foramen ovale .Code +77002 may also be reported if fluoroscopy is used, documented, and a permanent image is retained.

*This response is based on the best information available as of 11/03/22.