ICD-10-CM > H00-H59 > H55-H57 > H55 > H55.0 H55.0 Nystagmus Non-Billable/Non-Specific Codes H55.00Unspecified nystagmusH55.01Congenital nystagmusH55.02Latent nystagmusH55.03Visual deprivation nystagmusH55.04Dissociated nystagmusH55.09Other forms of nystagmus