ICD10BillableValid for clinical use

ICD-10 Code H10.433: Chronic follicular conjunctivitis, bilateral

H10.433 is a billable ICD-10 diagnosis code used to classify Chronic follicular conjunctivitis, bilateral 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 chronic follicular conjunctivitis, bilateral 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
category
H10Conjunctivitis
category
H10.4Chronic conjunctivitis
category
H10.43Chronic follicular conjunctivitis
currentH10.43

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

Ophthalmologist

Coverage-related procedures and services

Coding guidelines

Common synonyms

Chronic follicular conjunctivitis, bilateral

Frequently asked questions

Code details

CodeH10.433
SystemICD10
Display nameChronic follicular conjunctivitis, bilateral
ChapterDiseases of the eye and adnexa (H00-H59)
BlockDisorders of conjunctiva

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

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.

ICD-10 Code H10.433 for Chronic follicular conjunctivitis, bilateral | HealthAssure