H55.01 is the authoritative medical code for Congenital nystagmus. This classification is used in medical billing and clinical recording to specify the clinical criteria for congenital nystagmus (ICD-10-CM H55.01), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Congenital nystagmus H55.01 is a billable ICD-10-CM diagnosis code, valid for claim submission. It is classified under category H55 (Nystagmus and other irregular eye movements), within the Other disorders of eye and adnexa H55-H57 block, within Chapter 7, Diseases of the Eye and Adnexa H00-H59. The official tabular list attaches no additional inclusion or exclusion notes to this code. Code selection within this family is differentiated by its related codes: H55.0 Nystagmus; H55.02 (Latent nystagmus); H55.03 (Visual deprivation nystagmus); H55.04 (Dissociated nystagmus).
Codes in This Family (10)
Official ICD-10-CM classifications in the same code family as H55.01, with their registry titles.
- H55 — Nystagmus and other irregular eye movements
- H55.0 — Nystagmus
- 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
- H55.81 — Deficient saccadic eye movements
- H55.82 — Deficient smooth pursuit eye movements
- H55.89 — Other irregular eye movements
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: