G31.0 is the ICD-10 code for Circumscribed brain atrophy. It is a four-character subcategory of G31 (Other degenerative diseases of nervous system, not elsewhere classified), the most specific level in the WHO edition. It belongs to the block G30–G32 (Other degenerative diseases of the nervous system) in Chapter VI, Diseases of the nervous system.
- Code type
- Subcategory (4 characters)
- Chapter
- VI · G00–G99
- Classification
- WHO ICD-10, 2019 version
What G31.0 includes
Conditions and terms that are coded here.
- Frontotemporal dementia (FTD)
- Pick disease
- Progressive isolated aphasia
G31.0 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
G31.0Lokalisert hjerneatrofi
DG310Lokaliseret hjerneatrofi
- DG310AProgressiv isoleret afasi
- DG310BPicks sygdom
G31.0Paikallinen aivosurkastuma
G31.0Umschriebene Hirnatrophie
G31.0Atrophie cérébrale circonscrite
G31.0circumscripte hersenatrofie
Listed through more specific codes:
- G31.01Pick's disease
- G31.09Other frontotemporal neurocognitive disorder
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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