2026 ICD-10-CM Diagnosis Code H31.302Unspecified choroidal hemorrhage, left eye

ICD-10-CM Codes›H00–H59›H30-H36›H31

ICD-10-CM H31.302
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H31.302 is a billable ICD-10-CM diagnosis code for unspecified choroidal hemorrhage, 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 hemorrhage of choroid of left eye. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Retinal and vitreous conditions.

Code Identity

ICD-10-CM Code
H31.302
Billable Status
Yes — Valid for Submission
Code Describes
Unspecified choroidal hemorrhage, left eye
Short Description
Unspecified choroidal hemorrhage, left eye
Same as the full description in the CMS dataset.
Parent Code
H31.30
Unspecified choroidal hemorrhage

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH30-H36Disorders of choroid and retina
CategoryH31Other disorders of choroid
This CodeH31.302Unspecified choroidal hemorrhage, left eye

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Hemorrhage of choroid of left 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

Clinical InformationClinical

  • Choroidal Hemorrhage

    blood extravasation in the choroid.

Patient EducationClinical

Eye Diseases

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Read the full article at MedlinePlus

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

Convert H31.302 to ICD-9-CMHistory

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

ICD-9-CM
363.61 Choroidal hemorrhage NOS
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 H31.302Overview

Is H31.302 (Unspecified choroidal hemorrhage) a billable code?

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

What MS-DRG does H31.302 group to?

When unspecified choroidal hemorrhage, 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 H31.302?

Under the General Equivalence Mappings, unspecified choroidal hemorrhage, left eye converts to ICD-9-CM 363.61 (choroidal hemorrhage NOS). 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.