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

ICD-10-CM Diagnosis Code (2025)

Official Description for D43

Neoplasm of uncertain behavior of brain and central nervous system

Coding Notes & Guidelines for D43

Excludes1: Not Coded Here

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

Excludes1: Not Coded Here

neoplasm of uncertain behavior of fourth ventricle (D43.1)

Inclusion Terms
  • 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
Inclusion Terms
  • Neoplasm of uncertain behavior of brain stem
  • Neoplasm of uncertain behavior of cerebellum
  • Neoplasm of uncertain behavior of fourth ventricle
Inclusion Terms

Neoplasm of uncertain behavior of nervous system (central) NOS

Child Codes (More Specific Codes for D43):

D43.0 - Neoplasm of uncertain behavior of brain, supratentorial D43.1 - Neoplasm of uncertain behavior of brain, infratentorial 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

About ICD-10-CM Code D43 (Neoplasm of uncertain behavior of brain and central nervous system)

ICD-10-CM code D43 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM D43 became effective on October 1, 2024.

This page provides detailed information about D43 - Neoplasm of uncertain behavior of brain and central nervous system. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Neoplasm of uncertain behavior of brain and central nervous system.