What does ICD-10 code H11.412 mean?

ICD-10 code H11.412 is the standardized code used for vascular abnormalities of conjunctiva, left eye in medical records and coding systems.

When is ICD-10 code H11.412 used?

Doctors, hospitals, and insurers may use ICD-10 code H11.412 when recording vascular abnormalities of conjunctiva, left eye in a standardized format.

Does ICD-10 code H11.412 confirm a diagnosis?

No. A code helps standardize documentation and claims, but it should not be read as a substitute for a clinician's full assessment.

ICD10BillableValid for clinical use

ICD-10 Code H11.412: Vascular abnormalities of conjunctiva, left eye

Name: ICD-10 Code H11.412: Vascular abnormalities of conjunctiva, left eye
Creator: HealthAssure Clinical Team
Published: 2026-05-26T12:46:38.762Z

H11.412 is a billable ICD-10 diagnosis code used to classify Vascular abnormalities of conjunctiva, left eye in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the eye and adnexa (H00-H59).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the eye and adnexa (H00-H59).

When is it used?

May be used when a clinician documents vascular abnormalities of conjunctiva, left eye in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter

7Diseases of the eye and adnexa (H00-H59)

block

H10-H11Disorders of conjunctiva

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

OphthalmologistCardiologist

Sibling codes

H11.411Vascular abnormalities of conjunctiva, right eyebillable H11.413Vascular abnormalities of conjunctiva, bilateralbillable H11.419Vascular abnormalities of conjunctiva, unspecified eyebillable

Coverage-related procedures and services

CPT 92285high

EXTERNAL OCULAR PHOTOGRAPHY WITH INTERPRETATION AND REPORT FOR DOCUMENTATION OF MEDICAL PROGRESS (EG, CLOSE-UP PHOTOGRAPHY, SLIT LAMP PHOTOGRAPHY, GONIOPHOTOGRAPHY, STEREO-PHOTOGRAPHY)

Source: CMS coverage guidance

Coding guidelines

Common synonyms

Vascular abnormalities of conjunctiva, left eye

Frequently asked questions

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.