2026 ICD-10-CM Diagnosis Code H31.023Solar retinopathy, bilateral

ICD-10-CM Codes›H00–H59›H30-H36›H31

ICD-10-CM H31.023
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H31.023 is a billable ICD-10-CM diagnosis code for solar retinopathy, bilateral. 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 bilateral solar retinopathy of eyes. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Retinal and vitreous conditions.

Code Identity

ICD-10-CM Code
H31.023
Billable Status
Yes — Valid for Submission
Code Describes
Solar retinopathy, bilateral
Short Description
Solar retinopathy, bilateral
Same as the full description in the CMS dataset.
Parent Code
H31.02
Solar retinopathy

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH30-H36Disorders of choroid and retina
CategoryH31Other disorders of choroid
This CodeH31.023Solar retinopathy, bilateral

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Bilateral solar retinopathy of eyes
  • Disorder of retina caused by radiation
  • Retinal light toxicity
  • Solar retinopathy
  • Solar retinopathy of left eye
  • Solar retinopathy of right eye

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

Retinal Disorders

The retina is a layer of tissue in the back of your eye that senses light and sends images to your brain. In the center of this nerve tissue is the macula. It provides the sharp, central vision needed for reading, driving and seeing fine detail.

Read the full article at MedlinePlus

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

Convert H31.023 to ICD-9-CMHistory

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

ICD-9-CM
363.31 Solar retinopathy
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 H31.023Overview

Is H31.023 (Solar retinopathy) a billable code?

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

What MS-DRG does H31.023 group to?

When solar retinopathy, bilateral 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 H31.023?

Under the General Equivalence Mappings, solar retinopathy, bilateral converts to ICD-9-CM 363.31 (solar retinopathy). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Not chronic - A diagnosis code that does not fit the criteria for chronic condition (duration, ongoing medical treatment, and limitations) is considered not chronic. Some codes designated as not chronic are acute conditions. Other diagnosis codes that indicate a possible chronic condition, but for which the duration of the illness is not specified in the code description (i.e., we do not know the condition has lasted 12 months or longer) also are considered not chronic.