2026 ICD-10-CM Diagnosis Code H47.232Glaucomatous optic atrophy, left eye

ICD-10-CM Codes›H00–H59›H46-H47›H47

ICD-10-CM H47.232
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H47.232 is a billable ICD-10-CM diagnosis code for glaucomatous optic atrophy, left eye. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 124 through 125. Coders also document this condition as atrophy of fundus of eye. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Neuro-ophthalmology.

Code Identity

ICD-10-CM Code
H47.232
Billable Status
Yes — Valid for Submission
Code Describes
Glaucomatous optic atrophy, left eye
Short Description
Glaucomatous optic atrophy, left eye
Same as the full description in the CMS dataset.
Parent Code
H47.23
Glaucomatous optic atrophy

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH46-H47Disorders of optic nerve and visual pathways
CategoryH47Other disorders of optic [2nd] nerve and visual pathways
This CodeH47.232Glaucomatous optic atrophy, left eye

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Atrophy of fundus of eye
  • Atrophy of optic disc
  • Atrophy of optic disc of left eye due to glaucoma
  • Glaucomatous atrophy of optic disc

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR EYE006
Neuro-ophthalmology
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Glaucoma

Glaucoma is a group of diseases that can damage the optic nerve of one, or both, of your eyes. This can result in vision loss. There are different types of glaucoma, but the most common type is open-angle glaucoma. Other less common types include angle-closure glaucoma, and congenital glaucoma.

The full article covers:

  • What is glaucoma?
  • What causes glaucoma?
  • What are the symptoms of glaucoma?
  • How is glaucoma diagnosed?
  • What are the treatments for glaucoma?
  • Can glaucoma be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert H47.232 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
377.14 Cupping of optic disc
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About H47.232Overview

Is H47.232 (Glaucomatous optic atrophy) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report glaucomatous optic atrophy, left eye on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does H47.232 group to?

When glaucomatous optic atrophy, left eye is the principal diagnosis on an inpatient stay, it groups to MS-DRG 124, 125, with relative weights from 0.7678 to 1.3231 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of H47.232?

Under the General Equivalence Mappings, glaucomatous optic atrophy, left eye converts to ICD-9-CM 377.14 (cupping of optic disc). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.