Anatomy know-how points you in the right direction every time. How do you tell the difference between 61790 (Creation of lesion by stereotactic method, percutaneous, by neurolytic agent [e.g., alcohol, thermal, electrical, radiofrequency]; gasserian ganglion) and 61791 (… trigeminal medullary tract)? That’s the question a Neurosurgery Coding Alert reader posed when she wrote, “What is the difference [...] Related articles:

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