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fourth nerve palsy

Wikipedia Summary

Fourth cranial nerve palsy or trochlear nerve palsy, is a condition affecting cranial nerve 4 (IV), the trochlear nerve, which is one of the cranial nerves. It causes weakness or paralysis of the superior oblique muscle that it innervates...
Related Codes (4)
Code
Description
Billable
Details
H49.10Fourth [trochlear] nerve palsy, unspecified eye
H49.11Fourth [trochlear] nerve palsy, right eye
H49.12Fourth [trochlear] nerve palsy, left eye
H49.13Fourth [trochlear] nerve palsy, bilateral

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