R40.1 is the ICD-10 code for Stupor. It is a four-character subcategory of R40 (Somnolence, stupor and coma), the most specific level in the WHO edition. It belongs to the block R40–R46 (Symptoms and signs involving cognition, perception, emotional state and behaviour) 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 R40.1 includes
Conditions and terms that are coded here.
- Semicoma
What R40.1 excludes
Conditions that look similar but belong under another code.
R40.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R40.1Stupor
R40.1Stupor
DR401Stupor
R40.1Horros
R40.1Sopor
R40.1Stupeur
- R40.10État paucirelationnel
- R40.18Stupeur, autre et sans précision
R40.1stupor
R40.1Stupor
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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