ICD-10-CM-2023: D43 Neoplasm of uncertain behavior of brain and central nervous system

D37-D48	Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
	Info:	Categories D37-D44, and D48 classify by site neoplasms of uncertain behavior, i.e., histologic confirmation whether the neoplasm is malignant or benign cannot be made.
	Excl1.:	neoplasms of unspecified behavior (D49.-)
D43	Neoplasm of uncertain behavior of brain and central nervous system
	Excl1.:	neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system (D48.2)
D43.0	Neoplasm of uncertain behavior of brain, supratentorial
	Info:	Neoplasm of uncertain behavior of cerebral ventricle Neoplasm of uncertain behavior of cerebrum Neoplasm of uncertain behavior of frontal lobe Neoplasm of uncertain behavior of occipital lobe Neoplasm of uncertain behavior of parietal lobe Neoplasm of uncertain behavior of temporal lobe
	Excl1.:	neoplasm of uncertain behavior of fourth ventricle (D43.1)
D43.1	Neoplasm of uncertain behavior of brain, infratentorial
	Info:	Neoplasm of uncertain behavior of brain stem Neoplasm of uncertain behavior of cerebellum Neoplasm of uncertain behavior of fourth ventricle
D43.2	Neoplasm of uncertain behavior of brain, unspecified
D43.3	Neoplasm of uncertain behavior of cranial nerves
D43.4	Neoplasm of uncertain behavior of spinal cord
D43.8	Neoplasm of uncertain behavior of other specified parts of central nervous system
D43.9	Neoplasm of uncertain behavior of central nervous system, unspecified
	Info:	Neoplasm of uncertain behavior of nervous system (central) NOS

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