October 6, 2022

Question:
A retrosigmoid craniotomy was performed with microvascular decompression of the 5th nerve. The diagnosis was Trigeminal Neuralgia. How is this coded?

Answer:
This procedure is reported with code 61458, Craniotomy, suboccipital, for exploration or decompression of cranial nerves.

*This response is based on the best information available as of 10/06/22.