N26 is the ICD-10 code for Unspecified contracted kidney. It is a three-character category that is not subdivided further. It belongs to the block N25–N29 (Other disorders of kidney and ureter) in Chapter XIV, Diseases of the genitourinary system.
- Code type
- Category (3 characters)
- Chapter
- XIV · N00–N99
- Classification
- WHO ICD-10, 2019 version
What N26 includes
Conditions and terms that are coded here.
- Atrophy of kidney (terminal)
- Renal sclerosis NOS
What N26 excludes
Conditions that look similar but belong under another code.
N26 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
N26Uspesifisert skrumpnyre
DN26Skrumpenyrer UNS
- DN269Skrumpenyre UNS
N26Määrittämätön kutistusmunuainen
N26Schrumpfniere, nicht näher bezeichnet
N26Rein scléreux, sans précision
N26niet-gespecificeerde schrompelnier
Listed through more specific codes:
- N26.1Atrophy of kidney (terminal)
- N26.2Page kidney
- N26.9Renal sclerosis, 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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