2021 ICD-10-CM Code H18.04

Kayser-Fleischer ring

Version 2021

Not Valid for Submission

H18.04 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of kayser-fleischer ring. The code is not specific and is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

ICD-10:H18.04
Short Description:Kayser-Fleischer ring
Long Description:Kayser-Fleischer ring

Code Classification

Specific Coding for Kayser-Fleischer ring

Non-specific codes like H18.04 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for kayser-fleischer ring:

  • BILLABLE CODE - Use H18.041 for Kayser-Fleischer ring, right eye
  • BILLABLE CODE - Use H18.042 for Kayser-Fleischer ring, left eye
  • BILLABLE CODE - Use H18.043 for Kayser-Fleischer ring, bilateral
  • BILLABLE CODE - Use H18.049 for Kayser-Fleischer ring, unspecified eye

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code H18.04:


Code Also

Code Also
A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code H18.04 are found in the index:

Information for Patients


Corneal Disorders

Your cornea is the outermost layer of your eye. It is clear and shaped like a dome. The cornea helps to shield the rest of the eye from germs, dust, and other harmful matter. It also helps your eye to focus. If you wear contact lenses, they float on top of your corneas.

Problems with the cornea include

Treatments of corneal disorders include medicines, corneal transplantation, and corneal laser surgery.

NIH: National Eye Institute


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)