2026 ICD-10-CM Diagnosis Code H54.42A3Blindness left eye category 3, normal vision right eye

ICD-10-CM Codes›H00–H59›H53-H54›H54

ICD-10-CM H54.42A3
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H54.42A3 is a billable ICD-10-CM diagnosis code for blindness left eye category 3, normal vision right 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Blindness and vision defects.

Code Identity

ICD-10-CM Code
H54.42A3
Billable Status
Yes — Valid for Submission
Code Describes
Blindness left eye category 3, normal vision right eye
Short Description
Blindness left eye category 3, normal vision right eye
Same as the full description in the CMS dataset.
Parent Code
H54.42A
Blindness, left eye, category 3-5

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH53-H54Visual disturbances and blindness
CategoryH54Blindness and low vision
This CodeH54.42A3Blindness left eye category 3, normal vision right eye

Clinical ClassificationClinical

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

CCSR EYE010
Blindness and vision defects
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Vision Impairment and Blindness

Vision impairment is the loss of vision. It includes blindness, which means that you have lost all or most of your sight. It also includes low vision, which means you have some vision, but the vision loss makes it hard to do everyday activities. You may have trouble reading, shopping, cooking, writing, and watching TV.

The full article covers:

  • What is vision impairment?
  • What causes vision impairment?
  • How is vision impairment diagnosed?
  • What are the types of low vision?
  • What are the treatments for low vision?
  • How can I make the most of my remaining sight?
  • Can vision impairment be prevented?

Read the full article at MedlinePlus

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

Convert H54.42A3 to ICD-9-CMHistory

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

ICD-9-CM
369.68 Profnd impair/near norm
Approximate The match is approximate rather than exact.
ICD-9-CM
369.69 Profound impair/normal
Approximate The match is approximate rather than exact.

Code History & ChangesHistory

Replacement H54.42A3 replaces the following previously assigned code(s):

  • H54.42 - Blindness, left eye, normal vision right eye
FY 2018AddedAdded to the ICD-10-CM code setEffective October 1, 2017.
FY 2019–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About H54.42A3Overview

Is H54.42A3 (Blindness, left eye, category 3-5) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report blindness left eye category 3, normal vision right eye on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does H54.42A3 group to?

When blindness left eye category 3, normal vision right 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 H54.42A3?

Under the General Equivalence Mappings, blindness left eye category 3, normal vision right eye converts to ICD-9-CM 369.68 (profnd impair/near norm) and 369.69 (profound impair/normal). 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.