H55.0Non-Billable (Header)NystagmusChild CodesH55.00Unspecified nystagmusH55.01Congenital nystagmusH55.02Latent nystagmusH55.03Visual deprivation nystagmusH55.04Dissociated nystagmusH55.09Other forms of nystagmusCode Hierarchy└H55Nystagmus and other irregular eye movements└H55.0Nystagmus└H55.0Nystagmus