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ICD-10 diagnosis code

H40.2 Primary angle-closure glaucoma

This page in Swedish

H40.2 is the ICD-10 code for Primary angle-closure 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 H40.2 includes

Conditions and terms that are coded here.

  • Angle-closure glaucoma (primary)(residual stage):
    • acute
    • chronic
    • intermittent

H40.2 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

H40.2Primärt glaukom med sluten kammarvinkel

NorwayICD-10-NO

H40.2Primært glaukom med trang forkammervinkel

DenmarkICD-10-DK

DH402Primær lukketvinklet glaukom

  • DH402DGlaukom sekundært til akut vinkellukning
FinlandICD-10-FI

H40.2Primaarinen ahdaskulmaglaukooma

  • H40.20Akuutti ahdaskulmaglaukooma
  • H40.21Ajoittainen ahdaskulmaglaukooma
  • H40.22Pitkäaikainen ahdaskulmaglaukooma
  • H40.29Muu [primaarinen] ahdaskulmaglaukooma
GermanyICD-10-GM

H40.2Primäres Engwinkelglaukom

FranceICD-10-FR

H40.2Glaucome primitif à angle étroit

NetherlandsICD-10-NL

H40.2primair geslotenkamerhoekglaucoom

United StatesICD-10-CM

Listed through more specific codes:

  • H40.211Acute angle-closure glaucoma, right eye
  • H40.212Acute angle-closure glaucoma, left eye
  • H40.213Acute angle-closure glaucoma, bilateral
  • H40.219Acute angle-closure glaucoma, unspecified eye
  • H40.231Intermittent angle-closure glaucoma, right eye
  • H40.232Intermittent angle-closure glaucoma, left eye
  • H40.233Intermittent angle-closure glaucoma, bilateral
  • H40.239Intermittent angle-closure glaucoma, unspecified eye
  • and 4 more national subcodes

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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