D43
Header — not billableNeoplasm of uncertain behavior of brain and central nervous system
The ICD-10 code for neoplasm of uncertain behavior of brain and central nervous system is D43.
D43 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system (D48.2)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under D43
- D43.0Neoplasm of uncertain behavior of brain, supratentorial
- D43.1Neoplasm of uncertain behavior of brain, infratentorial
- D43.2Neoplasm of uncertain behavior of brain, unspecified
- D43.3Neoplasm of uncertain behavior of cranial nerves
- D43.4Neoplasm of uncertain behavior of spinal cord
- D43.8Neoplasm of uncertain behavior of other specified parts of central nervous system
- D43.9Neoplasm of uncertain behavior of central nervous system, unspecified
Related codes in this category
- D37Neoplasm of uncertain behavior of oral cavity and digestive organsnon-billable header
- D38Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organsnon-billable header
- D39Neoplasm of uncertain behavior of female genital organsnon-billable header
- D40Neoplasm of uncertain behavior of male genital organsnon-billable header
- D41Neoplasm of uncertain behavior of urinary organsnon-billable header
- D42Neoplasm of uncertain behavior of meningesnon-billable header
- D44Neoplasm of uncertain behavior of endocrine glandsnon-billable header
- D45Polycythemia vera
- D46Myelodysplastic syndromesnon-billable header
- D47Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissuenon-billable header
- D48Neoplasm of uncertain behavior of other and unspecified sitesnon-billable header
- D43Neoplasm of uncertain behavior of brain and central nervous systemnon-billable header