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Trigeminal nerve vs.. facial nerve


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(Supratrochlear, supraorbital and infraorbital nerve blocks) I was advised to code these with cpt code 64402 facial nerve injection. I would have thought that code 64400 trigeminal nerve injection or any division or branch would better fit this procedure. The reason I was thinking this is that trigeminal nerve has 3 branches and one of the braches is opthalmic this nerve has branches listed and supratrochlear and surpraorgital are listed. I wanted to see if anyone could shead some light on this.. Thanks!
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Trigeminal Nerve Block


I wanted to see if you could answer a question on the Trigeminal Nerve Blocks and Trigeminal Ablation.

I am coding for a Pain Management, Dr states that he did a Trigeminal Nerve Block at Supraorbital, Supratrochlear and Facial Nerve can I code it 3 times like he states or can you only do it once since it is all Branches of the Trigeminal Nerve??? Is it correct to Code 64400 X Three or If Ablation 64600 x 3???

Thanks I am new to Pain Coding.