H40.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2026 edition of ICD-10-CM H40.9 became effective on October 1, 2025.

For ICD-10, not all glaucoma diagnoses require the use of Staging at the 7th digit. These are the Codes in ICD-10 that do not have a laterality digit: Code the Stage for the most severely afected eye, if …

ICD-10 codes H40-H42 are used to classify various types and stages of glaucoma, a group of eye conditions that can cause optic nerve damage usually linked to high intraocular pressure.

The Icd-10 code range for Glaucoma H40-H42 is medical classification list by the World Health Organization (WHO).

Glaucoma can damage the optic nerve and cause loss of vision or blindness. A disorder characterized by an increase in pressure in the eyeball due to obstruction of the aqueous humor outflow.

Explore detailed ICD-10 coding guidelines for glaucoma, including primary open-angle and chronic angle-closure types. Learn about documentation requirements and coding pitfalls.

Jun 24, 2021 · Let’s review the 12 most relevant ICD-10 codes for patients with glaucoma with staging categories. Besides my clinical experience I wanted to break down this list in a descending order …

2026 ICD-10-CM chapter of diagnosis codes H40-H42 for glaucoma. View chapter's sections, notations, version history, and more.

Glaucoma ICD-10-CM Quick Reference Guide Effective October 1, 2022. Reviewed October 1, 2023. ... H40.22 Chronic angle-closure glaucoma H40.221_ Right eye H40.222_ Left eye H40.223_ Bilateral

ICD-10-CM Glaucoma Coding (Chapter 7): What Coders MUST Get Right Glaucoma coding under Diseases of the Eye and Adnexa (H00–H59) requires careful attention to type, laterality, and stage ...