2026 ICD-10-CM Diagnosis Code H43.9Unspecified disorder of vitreous body

ICD-10-CM Codes›H00–H59›H43-H44›H43

ICD-10-CM H43.9
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H43.9 is a billable ICD-10-CM diagnosis code for unspecified disorder of vitreous body. 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 disorder of vitreous body. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Retinal and vitreous conditions.

Code Identity

ICD-10-CM Code
H43.9
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified disorder of vitreous body
Short Description
Unspecified disorder of vitreous body
Same as the full description in the CMS dataset.
Parent Code
H43
Disorders of vitreous body

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH43-H44Disorders of vitreous body and globe
CategoryH43Disorders of vitreous body
This CodeH43.9Unspecified disorder of vitreous body

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Disorder of vitreous body
  • Disorder of vitreous body and/or retina
  • Disorder of vitreous cavity

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Disease, diseased
      • vitreous
    • Disorder(of)
      • vitreous body

Clinical ClassificationClinical

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

CCSR EYE005
Retinal and vitreous conditions
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Eye Diseases

Even if your eyes feel healthy, you could have a problem and not know it. That's why regular eye exams are so important. Refractive errors are the most common type of vision problem that makes it hard to see clearly. But some eye conditions or diseases don't have any symptoms and can lead to a permanent loss of vision.

The full article covers:

  • What diseases can affect the eye?
  • What are the symptoms of eye diseases?
  • Who is more likely to develop eye diseases?
  • What are the treatments for eye diseases?
  • Can eye diseases be prevented?

Read the full article at MedlinePlus

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

Convert H43.9 to ICD-9-CMHistory

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

ICD-9-CM
379.29 Vitreous disorders NEC
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 H43.9Overview

Is H43.9 (Disorders of vitreous body) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report unspecified disorder of vitreous body on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does H43.9 group to?

When unspecified disorder of vitreous body 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 H43.9?

Under the General Equivalence Mappings, unspecified disorder of vitreous body converts to ICD-9-CM 379.29 (vitreous disorders NEC). 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.