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ICD-10 diagnosis code

H40.1 Primary open-angle glaucoma

This page in Swedish

H40.1 is the ICD-10 code for Primary open-angle glaucoma. It is a four-character subcategory of H40 (Glaucoma), the most specific level in the WHO edition. It belongs to the block H40–H42 (Glaucoma) in Chapter VII, Diseases of the eye and adnexa.

Code type
Subcategory (4 characters)
Chapter
VII · H00–H59
Classification
WHO ICD-10, 2019 version

What H40.1 includes

Conditions and terms that are coded here.

  • Glaucoma (primary)(residual stage):
    • capsular with pseudoexfoliation of lens
    • chronic simple
    • low-tension
    • pigmentary

H40.1 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

H40.1Primärt glaukom med öppen kammarvinkel

  • H40.1AKroniskt enkelt glaukom, öppen kammarvinkel
  • H40.1BPigmentglaukom, öppen kammarvinkel
  • H40.1CKapsulärt glaukom, öppen kammarvinkel
  • H40.1DGlaukom med lågt ögontryck, öppen kammarvinkel
  • H40.1WAnnan specificerad form av primärt glaukom med öppen kammarvinkel
  • H40.1XPrimärt glaukom med öppen kammarvinkel UNS
NorwayICD-10-NO

H40.1Primært glaukom med åpen forkammervinkel

DenmarkICD-10-DK

DH401Primært åbenvinklet glaukom

  • DH401ANormaltryksglaukom
FinlandICD-10-FI

H40.1Primaarinen avokulmaglaukooma

  • H40.10Kapsulaarinen glaukooma ja eksfoliaatio-oireyhtymä
  • H40.11Matalapaineglaukooma
  • H40.12Pigmenttiglaukooma
  • H40.13Pitkäaikainen avokulmaglaukooma
  • H40.19Muu [primaarinen] avokulmaglaukooma
GermanyICD-10-GM

H40.1Primäres Weitwinkelglaukom

  • H40.10Pseudoexfoliationsglaukom
  • H40.18Sonstige Formen des primären Weitwinkelglaukoms
FranceICD-10-FR

H40.1Glaucome primitif à angle ouvert

NetherlandsICD-10-NL

H40.1primair open-kamerhoekglaucoom

United StatesICD-10-CM

Listed through more specific codes:

  • H40.151Residual stage of open-angle glaucoma, right eye
  • H40.152Residual stage of open-angle glaucoma, left eye
  • H40.153Residual stage of open-angle glaucoma, bilateral
  • H40.159Residual stage of open-angle glaucoma, unspecified eye

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.

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