I12 is the ICD-10 code for Hypertensive renal disease. It is a three-character category divided into 2 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block I10–I15 (Hypertensive diseases) in Chapter IX, Diseases of the circulatory system.
- Code type
- Category (3 characters)
- Chapter
- IX · I00–I99
- Classification
- WHO ICD-10, 2019 version
What I12 includes
Conditions and terms that are coded here.
- any condition in N00-N07, N18.-, N19 or N26 due to hypertension
- arteriosclerosis of kidney
- arteriosclerotic nephritis (chronic)(interstitial)
- hypertensive nephropathy
- nephrosclerosis
What I12 excludes
Conditions that look similar but belong under another code.
- secondary hypertension I15.-
Subcodes of I12
I12 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DI12Hypertensiv nyresygdom
I12Verenpainetaudin aiheuttama munuaissairaus
I12Hypertensive Nierenkrankheit
I12Néphropathie hypertensive
I12hypertensieve nierziekte
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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