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ICD10BillableValid for clinical use

ICD-10 Code D43.1: Neoplasm of uncertain behavior of brain, infratentorial

D43.1 is a billable ICD-10 diagnosis code used to classify Neoplasm of uncertain behavior of brain, infratentorial in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

When is it used?

  • May be used when a clinician documents neoplasm of uncertain behavior of brain, infratentorial in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
2Neoplasms (C00-D49)
block
D37-D48Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
category
D43Neoplasm of uncertain behavior of brain and central nervous system
currentD43

Official coding notes

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

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

OncologistGeneral PhysicianNeurologist

Coverage-related procedures and services

CPT 95926high
SHORT-LATENCY SOMATOSENSORY EVOKED POTENTIAL STUDY, STIMULATION OF ANY/ALL PERIPHERAL NERVES OR SKIN SITES, RECORDING FROM THE CENTRAL NERVOUS SYSTEM; IN LOWER LIMBS
Source: CMS coverage guidance
CPT 95927high
SHORT-LATENCY SOMATOSENSORY EVOKED POTENTIAL STUDY, STIMULATION OF ANY/ALL PERIPHERAL NERVES OR SKIN SITES, RECORDING FROM THE CENTRAL NERVOUS SYSTEM; IN THE TRUNK OR HEAD
Source: CMS coverage guidance
CPT 95925high
SHORT-LATENCY SOMATOSENSORY EVOKED POTENTIAL STUDY, STIMULATION OF ANY/ALL PERIPHERAL NERVES OR SKIN SITES, RECORDING FROM THE CENTRAL NERVOUS SYSTEM; IN UPPER LIMBS
Source: CMS coverage guidance
CPT 95938high
SHORT-LATENCY SOMATOSENSORY EVOKED POTENTIAL STUDY, STIMULATION OF ANY/ALL PERIPHERAL NERVES OR SKIN SITES, RECORDING FROM THE CENTRAL NERVOUS SYSTEM; IN UPPER AND LOWER LIMBS
Source: CMS coverage guidance
CPT 77525high
PROTON TREATMENT DELIVERY; COMPLEX
Source: CMS coverage guidance
CPT 77523high
PROTON TREATMENT DELIVERY; INTERMEDIATE
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
D43.1

Common synonyms

Neoplasm of uncertain behavior of brain, infratentorial

Frequently asked questions

Code details

CodeD43.1
SystemICD10
Display nameNeoplasm of uncertain behavior of brain, infratentorial
ChapterNeoplasms (C00-D49)
BlockNeoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.