D43 — Neoplasm of uncertain behavior of brain and central nervous system

Not billable

Is D43 billable?

No — D43 is a non-billable header code. D43 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 7 billable codes beneath D43.

Billable codes under this header

D43 at a glance

Code	D43
Description	Neoplasm of uncertain behavior of brain and central nervous system
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Excludes1 — never code together

The conditions below can never be reported together with D43 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system (D48.2)

Excludes1 — never code together — inherited from D37-D48

The conditions below can never be reported together with D43 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

neoplasms of unspecified behavior (D49.-)

What codes fall under D43? (7)

How long has D43 existed?

D43 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.