H55.00
H55.00: Unspecified nystagmus
Billable / specific codeICD-10-CM
H55.00 is a billable, specific ICD-10-CM code for unspecified nystagmus. It is valid for submission on a claim.
Check H55.00 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
H55.00 is named in 6 Medicare coverage policies: 6 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56551Billing and Coding: Visual Fields Testing
- A56619Billing and Coding: Nerve Conduction Studies and Electromyography
- A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
- A56771Billing and Coding: Special Electroencephalography
Alphabetic index entries that lead here
- Nystagmus
Code history
Unchanged in every release from FY2024 to FY2027.