H55.00
BillableUnspecified nystagmus
Unspecified nystagmus
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •diabetes mellitus related eye conditions, , ,E09.3, E10.3, E11.3, E13.3
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury (trauma) of eye and orbitS05
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •syphilis related eye disorders, , ,A50.01, A50.3, A51.43, A52.71
Related Codes(5)
Also Known As / Clinical Terms(58)
SNOMED CT
- Nystagmus563001
- Permanent nystagmus95778003
- Rotational nystagmus95783006
- Nystagmus unchanged when fixation removed95792009
- Nystagmus inhibited when fixation removed95793004
- Irregular nystagmus246759006
- Monocular nystagmus246761002
- Uniocular nystagmus246761002
- Nystagmus and other irregular eye movements267664003
- Manifest nystagmus285764004
- Nystagmus signs307698002
- Nystagmus present307699005
- Acquired nystagmus314935002
- Essential tremor609558009
- Hereditary essential tremor609559001
- Eyelid nystagmus733335000
- Physiological nystagmus762438000
- Neuhauser Daly Magnelli syndrome782935003
- Tremor, nystagmus, duodenal ulcer syndrome782935003
- Uniocular nystagmus of right eye1010460006
- Uniocular nystagmus of left eye1010461005
- Idiopathic nystagmus431951000124101
UMLS
Clinical Terms
- Neuhauser Daly Magnelli syndrome
- Eyelid nystagmus
- Manifest nystagmus
- Nystagmus
- Uniocular nystagmus
- Hereditary essential tremor
- Physiological nystagmus
- Tremor, nystagmus, duodenal ulcer syndrome
- Nystagmus NOS
- Nystagmus unchanged when fixation removed
- Uniocular nystagmus of right eye
- Nystagmus present
- Nystagmus inhibited when fixation removed
- Nystagmus, unspecified
- Pathologic Nystagmus
- Monocular nystagmus
- Rotational nystagmus
- Uniocular nystagmus of left eye
- Nystagmus, Pathologic
- Involuntary, rapid, rhythmic eye movements
- Idiopathic nystagmus
- Essential tremor
- Nystagmus (disorder)
- Permanent nystagmus
- Nystagmus signs
- Acquired nystagmus
- Irregular nystagmus
Frequently Asked Questions
What is the ICD-10 code for unspecified nystagmus?
The ICD-10-CM code for unspecified nystagmus is H55.00. The full clinical description is "Unspecified nystagmus". H55.00 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code H55.00 mean?
ICD-10-CM code H55.00 represents “Unspecified nystagmus”. It is classified under Chapter 7: Diseases of the Eye and Adnexa and is a billable/specific code that can be used on a claim.
Is H55.00 a billable code?
Yes, H55.00 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is H55.00 in?
H55.00 is in Chapter 7: Diseases of the Eye and Adnexa (codes H00-H59).
What SNOMED CT codes does H55.00 map to?
H55.00 maps to 20 SNOMED CT concepts: 314935002, 609558009, 733335000, 609559001, 431951000124101, and 15 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for H55.00?
H55.00 is linked to 1 UMLS Concept Unique Identifier: C0028738. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does H55.00 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified nystagmus affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of H55.00?
There is no direct ICD-11 mapping available for H55.00 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.