H55.01 Congenital nystagmus

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 379.51 Congenital nystagmus

Code annotations containing back-references to H55.01

Back-references to H55.01

• Type 1 Excludes: Q15 Other congenital malformations of eye ("congenital nystagmus (H55.01)")

Diagnosis Index entries for H55.01

• Nystagmus › congenital

Nearby codes

• H55 Nystagmus and other irregular eye movements
• H55.0 Nystagmus
• H55.00 Unspecified nystagmus
• H55.01 Congenital nystagmus (this code)
• H55.02 Latent nystagmus
• H55.03 Visual deprivation nystagmus
• H55.04 Dissociated nystagmus
• H55.09 Other forms of nystagmus
• H55.8 Other irregular eye movements