R63.6 is the ICD-10 code for Insufficient intake of food and water. It is a four-character subcategory of R63 (Symptoms and signs concerning food and fluid intake), the most specific level in the WHO edition. It belongs to the block R50–R69 (General symptoms and signs) in Chapter XVIII, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
- Code type
- Subcategory (4 characters)
- Chapter
- XVIII · R00–R99
- Classification
- WHO ICD-10, 2019 version
What R63.6 includes
Conditions and terms that are coded here.
- Insufficient intake of food and water (due to self neglect)
What R63.6 excludes
Conditions that look similar but belong under another code.
R63.6 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R63.6Utilstrekkelig inntak av mat eller væske
R63.6Ungenügende Aufnahme von Nahrung und Flüssigkeit
R63.6Ingestion insuffisante d'aliments et de liquides
R63.6onvoldoende inname van voedsel en vocht
R63.6Underweight
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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