ICD-10 diagnosis code
D43.9 Neoplasm of uncertain or unknown behaviour: Central nervous system, unspecified
D43.9 is the ICD-10 code for Neoplasm of uncertain or unknown behaviour: Central nervous system, unspecified. It is a four-character subcategory of D43 (Neoplasm of uncertain or unknown behaviour of brain and central nervous system), the most specific level in the WHO edition. It belongs to the block D37–D48 (Neoplasms of uncertain or unknown behaviour) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
What D43.9 includes
Conditions and terms that are coded here.
- Nervous system (central) NOS
D43.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
D43.9Ospecificerad lokalisation av tumör av osäker eller okänd natur i centrala nervsystemet
D43.9Svulst med usikkert eller ukjent malignitetspotensial i uspesifisert del av sentralnervesystemet
DD439Ikke specificeret tumor i ikke nærmere specificeret lokalisation i centralnervesystemet
D43.9Zentralnervensystem, nicht näher bezeichnet
D43.9Système nerveux central, sans précision
D43.9centraal zenuwstelsel, niet-gespecificeerd
D43.9Neoplasm of uncertain behavior of central nervous system, unspecified
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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