D43.8 is the authoritative medical code for Neoplasm of uncertain behavior of other specified parts of central nervous system. This classification is used in medical billing and clinical recording to specify the clinical criteria for neoplasm of uncertain behavior of other specified parts of central nervous system (ICD-10-CM D43.8), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Neoplasm of uncertain behavior of other specified parts of central nervous system is a billable ICD-10-CM diagnosis code D43.8. Excludes1 (not coded here): neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system D48.2; neoplasms of unspecified behavior D49.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D43.8 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system D48.2
- neoplasms of unspecified behavior D49.-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with D43.8?
Per official ICD-10-CM Excludes1 instructions, D43.8 must not be reported together with: neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system (D48.2); neoplasms of unspecified behavior (D49.-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to D43.8 in its code family, with their registry titles.
- D43 — Neoplasm of uncertain behavior of brain and central nervous system
- 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
- D43.9 — Neoplasm of uncertain behavior of central nervous system, unspecified
Neoplasm Table Sites (2)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, nervous system (central), specified site NEC — Uncertain Behavior
- Neoplasm, neoplastic, parasellar — Uncertain Behavior