ICD-10 Code: H49.13 – Fourth [trochlear] nerve palsy, bilateral

ICD-10 code H49.13 corresponds to Fourth [trochlear] nerve palsy, bilateral. This code is classified under the chapter H49 Paralytic strabismus, which is part of the H49-H52: Disorders of ocular muscles, binocular movement, accommodation and refraction category.

The parent chapter is Diseases of the eye and adnexa.