R63.0 is the ICD-10 code for Anorexia. 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 R63.0 includes
Conditions and terms that are coded here.
- Loss of appetite
What R63.0 excludes
Conditions that look similar but belong under another code.
R63.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R63.0Anorexi
R63.0Anoreksi
DR630Appetitløshed
R63.0Ruokahaluttomuus
R63.0Anorexie
R63.0Anorexie
R63.0anorexie
R63.0Anorexia
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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