ICD-10 diagnosis code
D43 Neoplasm of uncertain or unknown behaviour of brain and central nervous system
D43 is the ICD-10 code for Neoplasm of uncertain or unknown behaviour of brain and central nervous system. It is a three-character category divided into 7 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block D37–D48 (Neoplasms of uncertain or unknown behaviour) in Chapter II, Neoplasms.
- Code type
- Category (3 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
What D43 excludes
Conditions that look similar but belong under another code.
- peripheral nerves and autonomic nervous system D48.2
Subcodes of D43
- D43.0Neoplasm of uncertain or unknown behaviour: Brain, supratentorial
- D43.1Neoplasm of uncertain or unknown behaviour: Brain, infratentorial
- D43.2Neoplasm of uncertain or unknown behaviour: Brain, unspecified
- D43.3Neoplasm of uncertain or unknown behaviour: Cranial nerves
- D43.4Neoplasm of uncertain or unknown behaviour: Spinal cord
- D43.7Neoplasm of uncertain or unknown behaviour: Other parts of central nervous system
- D43.9Neoplasm of uncertain or unknown behaviour: Central nervous system, unspecified
D43 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
D43Tumör av osäker eller okänd natur i hjärnan och andra delar av centrala nervsystemet
DD43Tumorer i hjerne og hjernenerver af usikker og ukendt karakter
D43Keskushermoston ja aivohermojen kasvutaipumukseltaan epäselvät tai tuntemattomat kasvaimet
D43Neubildung unsicheren oder unbekannten Verhaltens des Gehirns und des Zentralnervensystems
D43Tumeur de l'encéphale et du système nerveux central à évolution imprévisible ou inconnue
D43neoplasma met onzeker of onbekend gedrag van hersenen en centraal
Listed through more specific codes:
- D43.8Neoplasm of uncertain behavior of other specified parts of central nervous system
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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