2026 ICD-10-CM Diagnosis Code H26.8Other specified cataract

ICD-10-CM Codes›H00–H59›H25-H28›H26

ICD-10-CM H26.8
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H26.8 is a billable ICD-10-CM diagnosis code for other specified cataract. 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 Cataract and other lens disorders.

Code Identity

ICD-10-CM Code
H26.8
Billable Status
Yes — Valid for Submission
Code Describes
Other specified cataract
Short Description
Other specified cataract
Same as the full description in the CMS dataset.
Parent Code
H26
Other cataract

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH25-H28Disorders of lens
CategoryH26Other cataract
This CodeH26.8Other specified cataract

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Adherent cataract
  • Anterior subcapsular cataract of left eye
  • Anterior subcapsular cataract of right eye
  • Anterior subcapsular polar cataract of left eye
  • Axial cataract
  • Bilateral calcified cataracts
  • Bilateral ocular hypertension due to pseudoexfoliation
  • Bilateral posterior subcapsular cataract
  • Calcified cataract
  • Calcified cataract of left eye
  • Calcified cataract of right eye
  • Cataract associated with infrared radiation
  • Cataract associated with radiation
  • Cataract maturity - finding
  • Cortical cataract
  • Cortical nonsenile cataract
  • Hypermature cataract
  • Intellectual disability, early-onset cataract, microcephaly syndrome
  • Lens nuclear hyper-refringence
  • Mixed type cataract
  • Nonsenile cataract
  • Ocular hypertension of left eye due to pseudoexfoliation
  • Ocular hypertension of right eye due to pseudoexfoliation
  • Polychromatic posterior subcapsular lens opacities
  • Post cranial irradiation cataract
  • Posterior subcapsular cataract of left eye
  • Posterior subcapsular cataract of right eye
  • Pseudoexfoliation of bilateral lens capsules
  • Pseudoexfoliation of left lens capsule
  • Pseudoexfoliation of lens capsule
  • Pseudoexfoliation of right lens capsule
  • Secondary ocular hypertension due to pseudoexfoliation
  • Shrunken cataract

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.

    • Cataract(cortical) (immature) (incipient)
      • due to
        • radiation
    • Cataract(cortical) (immature) (incipient)
      • electric
    • Cataract(cortical) (immature) (incipient)
      • glass-blower's
    • Cataract(cortical) (immature) (incipient)
      • heat ray
    • Cataract(cortical) (immature) (incipient)
      • specified NEC

Clinical ClassificationClinical

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

CCSR EYE002
Cataract and other lens disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Capsule Opacification

    clouding or loss of transparency of the posterior lens capsule, usually following cataract extraction.

  • Cataract

    partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. the many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (dorland, 27th ed)

  • Cataract Extraction

    the removal of a cataractous crystalline lens from the eye.

Patient EducationClinical

Cataract

A cataract is a clouding of the lens in your eye. It affects your vision. Cataracts are very common in older people. By age 80, more than half of all Americans either have a cataract or have had cataract surgery.

Read the full article at MedlinePlus

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

Convert H26.8 to ICD-9-CMHistory

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

ICD-9-CM
366.46 Cataract w radiation
Approximate The match is approximate rather than exact.
ICD-9-CM
366.8 Cataract 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 H26.8Overview

Is H26.8 (Other cataract) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specified cataract on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does H26.8 group to?

When other specified cataract 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 H26.8?

Under the General Equivalence Mappings, other specified cataract converts to ICD-9-CM 366.46 (cataract w radiation) and 366.8 (cataract 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.