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Diagnosis Code


Code Information

Diagnosis Code: H55.09

Short Description: Other forms of nystagmus

Long Description: Other forms of nystagmus

The code H55.09 is VALID for claim submission

Code Classification:

  • Diseases of the eye and adnexa (H00–H59)
    • Other disorders of eye and adnexa (H55-H57)
      • Nystagmus and other irregular eye movements (H55)
        • H55.09 Other forms of nystagmus

Code Version: 2022 ICD-10-CM


  • Acquired nystagmus
  • Acquired nystagmus
  • Acquired pendular nystagmus
  • Acquired periodic alternating nystagmus
  • Ataxic nystagmus
  • Bruns nystagmus
  • Central vestibular nystagmus
  • Centripetal nystagmus
  • Conjugate nystagmus
  • Convergence nystagmus
  • Convergence retraction nystagmus
  • Cyclovergence nystagmus
  • Disjunctive pendular nystagmus
  • Divergence retraction nystagmus
  • Elliptical nystagmus
  • End-point nystagmus
  • Fixation nystagmus
  • Gaze paretic nystagmus
  • Gaze-evoked nystagmus
  • Hemi-seesaw nystagmus
  • Hennebert's syndrome
  • Horizontal nystagmus
  • Infantile nystagmus syndrome
  • Jerk nystagmus
  • Mixed nystagmus
  • Multidirectional nystagmus
  • Non-rhythmic abnormal eye movement
  • Nystagmus associated with disorder of the vestibular system
  • Nystagmus enhanced when fixation removed
  • Nystagmus produced by neck rotation
  • Pendular nystagmus
  • Periodic alternating nystagmus
  • Peripheral vestibular nystagmus
  • Perverted nystagmus
  • Positional nystagmus
  • Positional nystagmus, variable eye direction
  • Postural nystagmus
  • Pressure-induced nystagmus
  • Rebound nystagmus
  • Retraction nystagmus
  • Rotary nystagmus
  • See-saw nystagmus
  • Sensory nystagmus
  • Sound intensity-induced nystagmus
  • Spontaneous nystagmus
  • Temporary nystagmus
  • Torsional central vestibular nystagmus
  • Torsional nystagmus
  • Unidirectional nystagmus
  • Uniocular nystagmus
  • Upbeat central vestibular nystagmus
  • Vertical nystagmus
  • Voluntary nystagmus

Diagnostic Related Group(s)

The code H55.09 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Other Disorders Of The Eye With Mcc Or Thrombolytic Agent (124)
  • Other Disorders Of The Eye Without Mcc (125)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
H55.09 Right Arrow 379.56 Nystagmus NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
H55 Nystagmus and other irregular eye movements
H55.0 Nystagmus
H55.00 Unspecified nystagmus
H55.01 Congenital nystagmus
H55.02 Latent nystagmus
H55.03 Visual deprivation nystagmus
H55.04 Dissociated 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

This page was last updated on: 10/1/2023