ICD-10-CM>H00-H59>H55-H57>H55H55Nystagmus and other irregular eye movementsNon-Billable/Non-SpecificCodesH55.0NystagmusH55.00Unspecified nystagmusH55.01Congenital nystagmusH55.02Latent nystagmusH55.03Visual deprivation nystagmusH55.04Dissociated nystagmusH55.09Other forms of nystagmusH55.8Other irregular eye movementsH55.81Deficient saccadic eye movementsH55.82Deficient smooth pursuit eye movementsH55.89Other irregular eye movements