Coding for Trigeminal Neuralgia

Question:

How is RFA rhizotomy of the trigeminal nerve at the second and third division branches of the foramen ovale? 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.