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ICD-10 diagnosis code

N18.1 Chronic kidney disease, stage 1

This page in Swedish

N18.1 is the ICD-10 code for Chronic kidney disease, stage 1. 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

Definition

Kidney damage with normal or increased GFR (≥ 90 mL/min)

N18.1 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

N18.1Kronisk njursjukdom utan funktionsnedsättning, stadium 1

NorwayICD-10-NO

N18.1Kronisk nyresykdom, stadium 1

DenmarkICD-10-DK

DN181Kronisk nyreinsufficiens uden funktionsnedsættelse, stadie 1

FinlandICD-10-FI

N18.1Krooninen munuaistauti, vaihe 1

GermanyICD-10-GM

N18.1Chronische Nierenkrankheit, Stadium 1

FranceICD-10-FR

N18.1Maladie rénale chronique, stade 1

NetherlandsICD-10-NL

N18.1chronische nierziekte, stadium 1

United StatesICD-10-CM

N18.1Chronic kidney disease, stage 1

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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