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Fourth nerve palsy
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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...
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Related Codes (4)
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Code
Description
Billable
Details
H49.10
Fourth [trochlear] nerve palsy, unspecified eye
H49.11
Fourth [trochlear] nerve palsy, right eye
H49.12
Fourth [trochlear] nerve palsy, left eye
H49.13
Fourth [trochlear] nerve palsy, bilateral
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