2022 ICD-10-CM Code H16.2

Keratoconjunctivitis

Version 2021

Not Valid for Submission

ICD-10:H16.2
Short Description:Keratoconjunctivitis
Long Description:Keratoconjunctivitis

Code Classification

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

H16.2 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of keratoconjunctivitis. 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 Keratoconjunctivitis

Non-specific codes like H16.2 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 keratoconjunctivitis:

  • NON-BILLABLE CODE - H16.20 for Unspecified keratoconjunctivitis
  • BILLABLE CODE - Use H16.201 for Unspecified keratoconjunctivitis, right eye
  • BILLABLE CODE - Use H16.202 for Unspecified keratoconjunctivitis, left eye
  • BILLABLE CODE - Use H16.203 for Unspecified keratoconjunctivitis, bilateral
  • BILLABLE CODE - Use H16.209 for Unspecified keratoconjunctivitis, unspecified eye
  • NON-BILLABLE CODE - H16.21 for Exposure keratoconjunctivitis
  • BILLABLE CODE - Use H16.211 for Exposure keratoconjunctivitis, right eye
  • BILLABLE CODE - Use H16.212 for Exposure keratoconjunctivitis, left eye
  • BILLABLE CODE - Use H16.213 for Exposure keratoconjunctivitis, bilateral
  • BILLABLE CODE - Use H16.219 for Exposure keratoconjunctivitis, unspecified eye
  • NON-BILLABLE CODE - H16.22 for Keratoconjunctivitis sicca, not specified as Sjogren's
  • BILLABLE CODE - Use H16.221 for Keratoconjunctivitis sicca, not specified as Sjogren's, right eye
  • BILLABLE CODE - Use H16.222 for Keratoconjunctivitis sicca, not specified as Sjogren's, left eye
  • BILLABLE CODE - Use H16.223 for Keratoconjunctivitis sicca, not specified as Sjogren's, bilateral
  • BILLABLE CODE - Use H16.229 for Keratoconjunctivitis sicca, not specified as Sjogren's, unspecified eye
  • NON-BILLABLE CODE - H16.23 for Neurotrophic keratoconjunctivitis
  • BILLABLE CODE - Use H16.231 for Neurotrophic keratoconjunctivitis, right eye
  • BILLABLE CODE - Use H16.232 for Neurotrophic keratoconjunctivitis, left eye
  • BILLABLE CODE - Use H16.233 for Neurotrophic keratoconjunctivitis, bilateral
  • BILLABLE CODE - Use H16.239 for Neurotrophic keratoconjunctivitis, unspecified eye
  • NON-BILLABLE CODE - H16.24 for Ophthalmia nodosa
  • BILLABLE CODE - Use H16.241 for Ophthalmia nodosa, right eye
  • BILLABLE CODE - Use H16.242 for Ophthalmia nodosa, left eye
  • BILLABLE CODE - Use H16.243 for Ophthalmia nodosa, bilateral
  • BILLABLE CODE - Use H16.249 for Ophthalmia nodosa, unspecified eye
  • NON-BILLABLE CODE - H16.25 for Phlyctenular keratoconjunctivitis
  • BILLABLE CODE - Use H16.251 for Phlyctenular keratoconjunctivitis, right eye
  • BILLABLE CODE - Use H16.252 for Phlyctenular keratoconjunctivitis, left eye
  • BILLABLE CODE - Use H16.253 for Phlyctenular keratoconjunctivitis, bilateral
  • BILLABLE CODE - Use H16.259 for Phlyctenular keratoconjunctivitis, unspecified eye
  • NON-BILLABLE CODE - H16.26 for Vernal keratoconjunctivitis, with 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
  • NON-BILLABLE CODE - H16.29 for Other keratoconjunctivitis
  • BILLABLE CODE - Use H16.291 for Other keratoconjunctivitis, right eye
  • BILLABLE CODE - Use H16.292 for Other keratoconjunctivitis, left eye
  • BILLABLE CODE - Use H16.293 for Other keratoconjunctivitis, bilateral
  • BILLABLE CODE - Use H16.299 for Other keratoconjunctivitis, unspecified eye

Clinical Information

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)