I51.6 is the ICD-10 code for Cardiovascular disease, unspecified. It is a four-character subcategory of I51 (Complications and ill-defined descriptions of heart disease), 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 I51.6 includes
Conditions and terms that are coded here.
- Cardiovascular accident NOS
What I51.6 excludes
Conditions that look similar but belong under another code.
- atherosclerotic cardiovascular disease, so described I25.0
I51.6 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I51.6Uspesifisert hjerte-karsykdom
DI516Kardiovaskulær sygdom UNS
I51.6Määrittämätön sydän-verisuonisairaus
I51.6Herz-Kreislauf-Krankheit, nicht näher bezeichnet
I51.6Maladie cardiovasculaire, sans précision
I51.6cardiovasculaire ziekte, niet-gespecificeerd
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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