2026 ICD-10-CM Diagnosis Code H34.8310Tributary (branch) retinal vein occlusion, right eye, with macular edema

ICD-10-CM Codes›H00–H59›H30-H36›H34

ICD-10-CM H34.8310
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

H34.8310 is a billable ICD-10-CM diagnosis code for tributary (branch) retinal vein occlusion, right eye, with macular edema. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as macular retinal edema due to occlusion of branch of right retinal vein. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Retinal and vitreous conditions.

Code Identity

ICD-10-CM Code
H34.8310
Billable Status
Yes — Valid for Submission
Code Describes
Tributary (branch) retinal vein occlusion, right eye, with macular edema
Short Description
Trib rtnl vein occlusion, right eye, with macular edema
Parent Code
H34.831
Tributary (branch) retinal vein occlusion, right eye

Code Classification

ChapterH00–H59Diseases of the eye and adnexa
SectionH30-H36Disorders of choroid and retina
CategoryH34Retinal vascular occlusions
This CodeH34.8310Tributary (branch) retinal vein occlusion, right eye, with macular edema

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Macular retinal edema due to occlusion of branch of right retinal vein

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 H34.8310 to ICD-9-CMHistory

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

ICD-9-CM
362.36 Venous tributary occlus
Approximate The match is approximate rather than exact.

Code History & ChangesHistory

Replacement H34.8310 replaces the following previously assigned code(s):

  • H34.831 - Tributary (branch) retinal vein occlusion, 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 H34.8310Overview

Is H34.8310 (Tributary (branch) retinal vein occlusion, right eye) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report tributary (branch) retinal vein occlusion, right eye, with macular edema on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What is the ICD-9 equivalent of H34.8310?

Under the General Equivalence Mappings, tributary (branch) retinal vein occlusion, right eye, with macular edema converts to ICD-9-CM 362.36 (venous tributary occlus). 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.