R45.0 is the ICD-10 code for Nervousness. It is a four-character subcategory of R45 (Symptoms and signs involving emotional state), 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 R45.0 includes
Conditions and terms that are coded here.
- Nervous tension
R45.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
R45.0Nervositet
R45.0Nervøsitet
DR450Nervøsitet
R45.0Jännittyneisyys
R45.0Nervosität
R45.0Nervosité
R45.0nervositeit
R45.0Nervousness
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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