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ICD-10 diagnosis code

H18.6 Keratoconus

This page in Swedish

H18.6 is the ICD-10 code for Keratoconus. It is a four-character subcategory of H18 (Other disorders of cornea), the most specific level in the WHO edition. It belongs to the block H15–H22 (Disorders of sclera, cornea, iris and ciliary body) in Chapter VII, Diseases of the eye and adnexa.

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

H18.6 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

H18.6Keratokonus

NorwayICD-10-NO

H18.6Keratokonus

DenmarkICD-10-DK

DH186Keratoconus

FinlandICD-10-FI

H18.6Sarveiskalvon kartiopullistuma

GermanyICD-10-GM

H18.6Keratokonus

FranceICD-10-FR

H18.6Kératocône

NetherlandsICD-10-NL

H18.6keratoconus

United StatesICD-10-CM

Listed through more specific codes:

  • H18.601Keratoconus, unspecified, right eye
  • H18.602Keratoconus, unspecified, left eye
  • H18.603Keratoconus, unspecified, bilateral
  • H18.609Keratoconus, unspecified, unspecified eye
  • H18.611Keratoconus, stable, right eye
  • H18.612Keratoconus, stable, left eye
  • H18.613Keratoconus, stable, bilateral
  • H18.619Keratoconus, stable, 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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