S04.2
Injury of trochlear nerve
Coding guidance (WHO 2019)
4th cranial nerve
Sibling codes
S04Injury of cranial nervesS04.0Injury of optic nerve and pathwaysS04.1Injury of oculomotor nerveS04.3Injury of trigeminal nerveS04.4Injury of abducent nerveS04.5Injury of facial nerveS04.6Injury of acoustic nerveS04.7Injury of accessory nerveS04.8Injury of other cranial nervesS04.9Injury of unspecified cranial nerve