ICD-11 classes
09 Diseases of the visual system
Strabismus or ocular motility disorders
9C84 — Nystagmus
9C84.2 — Vestibular nystagmus
9C84.21 — Upbeat nystagmus

ICD-11 9C84.21 — Upbeat nystagmus

The diagnosis has no description.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.