H49.1 - Fourth [trochlear] nerve palsy

Code

H49.1 - Fourth [trochlear] nerve palsy
[Non-Billable]

Code Tree

H00-H59 - Diseases of the eye and adnexa
  • H49-H52 - Disorders of ocular muscles, binocular movement, accommodation and refraction
    • H49 - Paralytic strabismus
      • H49.1 - Fourth [trochlear] nerve palsy
        • 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