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 period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury (trauma) of eye and orbit (S05.-)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)
Also Known As / Clinical Terms
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
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.
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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.