D43Header code — not billable
Neoplasm of uncertain behavior of brain and central nervous system
Short description: Neoplasm of uncertain behavior of brain and cnsl
- Chapter
- 2. Neoplasms
- Category
- D43
- Effective date
- October 1, 2026
Related codes in category D43
D43.0Neoplasm of uncertain behavior of brain, supratentorialYesD43.1Neoplasm of uncertain behavior of brain, infratentorialYesD43.2Neoplasm of uncertain behavior of brain, unspecifiedYesD43.3Neoplasm of uncertain behavior of cranial nervesYesD43.4Neoplasm of uncertain behavior of spinal cordYesD43.8Neoplasm of uncertain behavior of prt central nervous systemYesD43.9Neoplasm of uncertain behavior of cnsl, unspYes
Frequently asked questions
What is ICD-10 code D43?
D43 is an ICD-10-CM diagnosis code for Neoplasm of uncertain behavior of brain and central nervous system.
Is D43 a billable code?
No. D43 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is D43 in?
D43 falls under Chapter 2: Neoplasms.
When did D43 become effective?
D43 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to D43?
D43 belongs to category D43, which includes 7 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.