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ICD-10 diagnosis code

I35 Nonrheumatic aortic valve disorders

This page in Swedish

I35 is the ICD-10 code for Nonrheumatic aortic valve disorders. It is a three-character category divided into 5 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block I30–I52 (Other forms of heart disease) in Chapter IX, Diseases of the circulatory system.

Code type
Category (3 characters)
Chapter
IX · I00–I99
Classification
WHO ICD-10, 2019 version

What I35 excludes

Conditions that look similar but belong under another code.

  • hypertrophic subaortic stenosis I42.1
  • when of unspecified cause but with mention of diseases of mitral valve I08.0
  • when specified as congenital Q23.0, Q23.1, Q23.4-Q23.9
  • when specified as rheumatic I06.-

Subcodes of I35

I35 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

I35Icke-reumatiska aortaklaffsjukdomar

DenmarkICD-10-DK

DI35Ikke-reumatiske sygdomme i aortaklappen

FinlandICD-10-FI

I35Aorttaläpän viat

GermanyICD-10-GM

I35Nichtrheumatische Aortenklappenkrankheiten

FranceICD-10-FR

I35Atteintes non rhumatismales de la valvule aortique

NetherlandsICD-10-NL

I35niet-reumatische aortaklepaandoeningen

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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