ICD-10-CM Alphabetic Index · FY 2026 12 Entries

Nystagmus in the ICD-10-CM Index ICD-10-CM

The main term Nystagmus carries 12 index entries pointing to 7 ICD-10-CM codes. The default entry is H55.00, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
12
Index Entries
7
Codes Referenced
H55.00
Default Code
N
Letter
12 of 12 shown
ICD-10-CM

Index Entries Under Nystagmus 12 entries · 7 codes

Nystagmus H55.00
benign paroxysmal see Vertigo, benign paroxysmal
central positional H81.4
congenital H55.01
dissociated H55.04
latent H55.02
miners' H55.09
positional
benign paroxysmal H81.4
central H81.4
specified form NEC H55.09
visual deprivation H55.03

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Related Index Terms

VertigoAll index terms starting with NIndex to Diseases and InjuriesICD-10-CM Code Lookup

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.