D43.9
Billable codeNeoplasm of uncertain behavior of central nervous system, unspecified
The ICD-10 code for neoplasm of uncertain behavior of central nervous system, unspecified is D43.9.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Neoplasm of uncertain behavior of nervous system (central) NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- 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
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 2379Approximate match
Associated MS-DRGs
D43.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.