B01.1 is the ICD-10 code for Varicella encephalitisG05.1. It is a four-character subcategory of B01 (Varicella [chickenpox]), the most specific level in the WHO edition. It belongs to the block B00–B09 (Viral infections characterized by skin and mucous membrane lesions) in Chapter I, Certain infectious and parasitic diseases.
- Code type
- Subcategory (4 characters)
- Chapter
- I · A00–B99
- Classification
- WHO ICD-10, 2019 version
What B01.1 includes
Conditions and terms that are coded here.
- Postchickenpox encephalitis
- Varicella encephalomyelitis
B01.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
B01.1Vattkoppsencefalit
B01.1Varicellaencefalitt
DB011Encefalitis forårsaget af Varicella zoster
- DB011AEncephalomyelitis forårsaget af Varicella zoster
B01.1Varizellen-Enzephalitis
B01.1Encéphalite varicelleuse (G05.1*)
B01.1varicella encefalitis (G05.1*)
Listed through more specific codes:
- B01.11Varicella encephalitis and encephalomyelitis
- B01.12Varicella myelitis
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.
Look up another code
Stop looking codes up by hand
Docdemic listens to the consultation, writes the note and suggests the diagnosis and procedure codes that fit it, each one checked against your country’s official code list.
Try Docdemic free