2022 ICD-10-CM Code H35.42

Microcystoid degeneration of retina

Version 2021

Not Valid for Submission

ICD-10:H35.42
Short Description:Microcystoid degeneration of retina
Long Description:Microcystoid degeneration of retina

Code Classification

  • Diseases of the eye and adnexa (H00–H59)
    • Disorders of choroid and retina (H30-H36)
      • Other retinal disorders (H35)

H35.42 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of microcystoid degeneration of retina. The code is not specific and is NOT valid for the year 2022 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.

Specific Coding for Microcystoid degeneration of retina

Non-specific codes like H35.42 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 microcystoid degeneration of retina:

  • BILLABLE CODE - Use H35.421 for Microcystoid degeneration of retina, right eye
  • BILLABLE CODE - Use H35.422 for Microcystoid degeneration of retina, left eye
  • BILLABLE CODE - Use H35.423 for Microcystoid degeneration of retina, bilateral
  • BILLABLE CODE - Use H35.429 for Microcystoid degeneration of retina, unspecified eye

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 H35.42 are found in the index:

Information for Patients


Retinal Disorders

The retina is a layer of tissue in the back of your eye that senses light and sends images to your brain. In the center of this nerve tissue is the macula. It provides the sharp, central vision needed for reading, driving and seeing fine detail.

Retinal disorders affect this vital tissue. They can affect your vision, and some can be serious enough to cause blindness. Examples are

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)