ICD-10 diagnosis code

H40 Glaucoma

H40 is the ICD-10 code for Glaucoma. It is a three-character category divided into 9 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block H40–H42 (Glaucoma) in Chapter VII, Diseases of the eye and adnexa.

Code type: Category (3 characters)
Chapter: VII · H00–H59
Classification: WHO ICD-10, 2019 version

What H40 excludes

Conditions that look similar but belong under another code.

absolute glaucoma H44.5
congenital glaucoma Q15.0
traumatic glaucoma due to birth injury P15.3

Subcodes of H40

H40 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

H40Glaukom (grön starr)

DenmarkICD-10-DK

DH40Glaukom

FinlandICD-10-FI

H40Glaukooma

GermanyICD-10-GM

H40Glaukom

FranceICD-10-FR

H40Glaucome

NetherlandsICD-10-NL

H40glaucoom

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

Look up another code

Stop looking codes up by hand

Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.

Try Docdemic free