R21 is the ICD-10 code for Rash and other nonspecific skin eruption. It is a three-character category that is not subdivided further. It belongs to the block R20–R23 (Symptoms and signs involving the skin and subcutaneous tissue) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Code type
- Category (3 characters)
- Chapter
- XVIII · R00–R99
- Classification
- WHO ICD-10, 2019 version
R21 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R21Utslett eller annet uspesifikt hudutbrudd
DR21Ikke nærmere specificeret udslæt på huden
- DR219Hududslæt UNS
R21Ei-spesifiset ihottumaoireet
R21Hautausschlag und sonstige unspezifische Hauteruptionen
R21Rash et autres éruptions cutanées non spécifiques
R21vluchtig exantheem en overige niet-specifieke erupties
R21Rash and other nonspecific skin eruption
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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