ICD10BillableValid for clinical use

ICD-10 Code H40.059: Ocular hypertension, unspecified eye

H40.059 is a billable ICD-10 diagnosis code used to classify Ocular hypertension, unspecified 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 21 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 ocular hypertension, unspecified 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
H40-H42Glaucoma
category
H40Glaucoma
category
H40.0Glaucoma suspect
category
H40.05Ocular hypertension
currentH40.05

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

Coding guidelines

Common synonyms

Ocular hypertension, unspecified eyeOcular hypertension

Frequently asked questions

Code details

CodeH40.059
SystemICD10
Display nameOcular hypertension, unspecified eye
ChapterDiseases of the eye and adnexa (H00-H59)
BlockGlaucoma

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 H40.059 for Ocular hypertension, unspecified eye | HealthAssure