2022 ICD-10-CM Code H16.26

Vernal keratoconjunctivitis, with limbar and corneal involvement

Version 2021

Not Valid for Submission

ICD-10:H16.26
Short Description:Vernal keratoconjunct, w limbar and corneal involvement
Long Description:Vernal keratoconjunctivitis, with limbar and corneal involvement

Code Classification

  • Diseases of the eye and adnexa (H00–H59)
    • Disorders of sclera, cornea, iris and ciliary body (H15-H22)
      • Keratitis (H16)

H16.26 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of vernal keratoconjunctivitis, with limbar and corneal involvement. 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 Vernal keratoconjunct, w limbar and corneal involvement

Non-specific codes like H16.26 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 vernal keratoconjunct, w limbar and corneal involvement:

  • BILLABLE CODE - Use H16.261 for Vernal keratoconjunctivitis, with limbar and corneal involvement, right eye
  • BILLABLE CODE - Use H16.262 for Vernal keratoconjunctivitis, with limbar and corneal involvement, left eye
  • BILLABLE CODE - Use H16.263 for Vernal keratoconjunctivitis, with limbar and corneal involvement, bilateral
  • BILLABLE CODE - Use H16.269 for Vernal keratoconjunctivitis, with limbar and corneal involvement, 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 H16.26:


Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

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 H16.26 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]

Pink Eye

Conjunctivitis is the medical name for pink eye. It involves inflammation of the outer layer of the eye and inside of the eyelid. It can cause swelling, itching, burning, discharge, and redness. Causes include

Pink eye usually does not affect vision. Infectious pink eye can easily spread from one person to another. The infection will clear in most cases without medical care, but bacterial pink eye needs treatment with antibiotic eye drops or ointment.

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)