D43
⚠ Non-billable
Neoplasm of uncertain behavior of brain and central nervous system
ICD-10-CM · FY2026 · Neoplasms
Code
D43
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D43?
ICD-10-CM code D43 represents Neoplasm of uncertain behavior of brain and central nervous system. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D43 billable?
No. D43 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is D43 in?
D43 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D43 category
D43.0
Neoplasm of uncertain behavior of brain, supratentorial
Billable
D43.1
Neoplasm of uncertain behavior of brain, infratentorial
Billable
D43.2
Neoplasm of uncertain behavior of brain, unspecified
Billable
D43.3
Neoplasm of uncertain behavior of cranial nerves
Billable
D43.4
Neoplasm of uncertain behavior of spinal cord
Billable
D43.8
Neoplasm of uncertain behavior of other specified parts of central nervous system
Billable
D43.9
Neoplasm of uncertain behavior of central nervous system, unspecified
Billable
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