N18.3 is the ICD-10 code for Chronic kidney disease, stage 3. 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 moderately decreased GFR (30-59 mL/min)
N18.3 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
N18.3Kronisk nyresykdom, stadium 3
DN183Kronisk nyreinsufficiens, stadie 3
N18.3Krooninen munuaistauti, vaihe 3
N18.3Chronische Nierenkrankheit, Stadium 3
N18.3Maladie rénale chronique, stade 3
N18.3chronische nierziekte, stadium 3
Listed through more specific codes:
- N18.30Chronic kidney disease, stage 3 unspecified
- N18.31Chronic kidney disease, stage 3a
- N18.32Chronic kidney disease, stage 3b
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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