H49.1

Non-Billable

Fourth [trochlear] nerve palsy

H49.1 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • 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