ICD-10 diagnosis code

I98 Other disorders of circulatory system in diseases classified elsewhere

I98 is the ICD-10 code for Other disorders of circulatory system in diseases classified elsewhere. 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 I95–I99 (Other and unspecified disorders of the circulatory system) in Chapter IX, Diseases of the circulatory system.

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

What I98 excludes

Conditions that look similar but belong under another code.

disorders classified to other asterisk categories within this chapter

Subcodes of I98

I98 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

I98Andra tillstånd i cirkulationsorganen vid sjukdomar som klassificeras på annan plats

DenmarkICD-10-DK

DI98Andre tilstande i kredsløbet ved sygdomme klassificeret andetsteds

GermanyICD-10-GM

I98Sonstige Störungen des Kreislaufsystems bei anderenorts klassifizierten Krankheiten

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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