I45.9 is the ICD-10 code for Conduction disorder, unspecified. It is a four-character subcategory of I45 (Other conduction disorders), the most specific level in the WHO edition. It belongs to the block I30–I52 (Other forms of heart disease) in Chapter IX, Diseases of the circulatory system.
- Code type
- Subcategory (4 characters)
- Chapter
- IX · I00–I99
- Classification
- WHO ICD-10, 2019 version
What I45.9 includes
Conditions and terms that are coded here.
- Heart block NOS
- Stokes-Adams syndrome
I45.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I45.9Uspesifisert ledningsforstyrrelse
DI459Ledningsforstyrrelse i hjertet UNS
- DI459AAdams-Stokes' syndrom
I45.9Määrittämätön johtumishäiriö
I45.9Kardiale Erregungsleitungsstörung, nicht näher bezeichnet
I45.9Trouble de la conduction, sans précision
I45.9geleidingsstoornis, niet-gespecificeerd
I45.9Conduction disorder, unspecified
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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