H55.04: Dissociated nystagmus
H55.04 is the billable ICD-10-CM diagnosis code for Dissociated nystagmus. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code H55.04?
H55.04 is the ICD-10-CM diagnosis code for Dissociated nystagmus. It belongs to category H55 (Nystagmus and other irregular eye movements).
Is H55.04 a billable code?
Yes. H55.04 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does H55.04 belong to?
H55.04 is part of ICD-10-CM category H55 — Nystagmus and other irregular eye movements, which has 18 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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