2022 ICD-10-CM Code H40.22

Chronic angle-closure glaucoma

Version 2021

Not Valid for Submission

ICD-10:H40.22
Short Description:Chronic angle-closure glaucoma
Long Description:Chronic angle-closure glaucoma

Code Classification

H40.22 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of chronic angle-closure glaucoma. 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 Chronic angle-closure glaucoma

Non-specific codes like H40.22 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 chronic angle-closure glaucoma:

  • NON-BILLABLE CODE - H40.221 for Chronic angle-closure glaucoma, right eye
  • BILLABLE CODE - Use H40.2210 for stage unspecified
  • BILLABLE CODE - Use H40.2211 for mild stage
  • BILLABLE CODE - Use H40.2212 for moderate stage
  • BILLABLE CODE - Use H40.2213 for severe stage
  • BILLABLE CODE - Use H40.2214 for indeterminate stage
  • NON-BILLABLE CODE - H40.222 for Chronic angle-closure glaucoma, left eye
  • BILLABLE CODE - Use H40.2220 for stage unspecified
  • BILLABLE CODE - Use H40.2221 for mild stage
  • BILLABLE CODE - Use H40.2222 for moderate stage
  • BILLABLE CODE - Use H40.2223 for severe stage
  • BILLABLE CODE - Use H40.2224 for indeterminate stage
  • NON-BILLABLE CODE - H40.223 for Chronic angle-closure glaucoma, bilateral
  • BILLABLE CODE - Use H40.2230 for stage unspecified
  • BILLABLE CODE - Use H40.2231 for mild stage
  • BILLABLE CODE - Use H40.2232 for moderate stage
  • BILLABLE CODE - Use H40.2233 for severe stage
  • BILLABLE CODE - Use H40.2234 for indeterminate stage
  • NON-BILLABLE CODE - H40.229 for Chronic angle-closure glaucoma, unspecified eye
  • BILLABLE CODE - Use H40.2290 for stage unspecified
  • BILLABLE CODE - Use H40.2291 for mild stage
  • BILLABLE CODE - Use H40.2292 for moderate stage
  • BILLABLE CODE - Use H40.2293 for severe stage
  • BILLABLE CODE - Use H40.2294 for indeterminate stage

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 H40.22:


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

7th Character Note

7th Character Note
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.

7th Character

7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.

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 H40.22 are found in the index:

Information for Patients


Glaucoma

Glaucoma is a group of diseases that can damage the eye's optic nerve. It is a leading cause of blindness in the United States. It usually happens when the fluid pressure inside the eyes slowly rises, damaging the optic nerve. Often there are no symptoms at first. Without treatment, people with glaucoma will slowly lose their peripheral, or side vision. They seem to be looking through a tunnel. Over time, straight-ahead vision may decrease until no vision remains.

A comprehensive eye exam can tell if you have glaucoma. People at risk should get eye exams at least every two years. They include

There is no cure, but glaucoma can usually be controlled. Early treatment can help protect your eyes against vision loss. Treatments usually include prescription eyedrops and/or 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)