D43.9Billable
Neoplasm of uncertain behavior of central nervous system, unspecified
Short description: Neoplasm of uncertain behavior of cnsl, unsp
- Chapter
- 2. Neoplasms
- Category
- D43
- Effective date
- October 1, 2026
Related codes in category D43
D43Neoplasm of uncertain behavior of brain and cnslD43.0Neoplasm 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 systemYes
Frequently asked questions
What is ICD-10 code D43.9?
D43.9 is an ICD-10-CM diagnosis code for Neoplasm of uncertain behavior of central nervous system, unspecified.
Is D43.9 a billable code?
Yes. D43.9 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is D43.9 in?
D43.9 falls under Chapter 2: Neoplasms.
When did D43.9 become effective?
D43.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to D43.9?
D43.9 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.