N18.9 is the ICD-10 code for Chronic kidney disease, unspecified. It is a four-character subcategory of N18 (Chronic kidney disease), the most specific level in the WHO edition. It belongs to the block N17–N19 (Renal failure) in Chapter XIV, Diseases of the genitourinary system.
- Code type
- Subcategory (4 characters)
- Chapter
- XIV · N00–N99
- Classification
- WHO ICD-10, 2019 version
What N18.9 includes
Conditions and terms that are coded here.
- Chronic renal impairment
- Chronic uraemia NOS
- Diffuse sclerosing glomerulonephritis NOS
N18.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
N18.9Uspesifisert kronisk nyresykdom
DN189Kronisk nyreinsufficiens UNS
N18.9Määrittämätön pitkäaikainen munuaisten vajaatoiminta
N18.9Chronische Nierenkrankheit, nicht näher bezeichnet
N18.9Maladie rénale chronique, sans précision
N18.9chronische nierziekte, niet-gespecificeerd
N18.9Chronic kidney disease, 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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