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ICD-10-CM Current in FY 2027

D33.1

Benign neoplasm of brain, infratentorial

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where D33.1 sits in the official hierarchy. Each level is the code it is classified under.

  1. D33 Parent Benign neoplasm of brain and other parts of central nervous system
  2. D33.1 This code Benign neoplasm of brain, infratentorial

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Inclusion Terms

Benign neoplasm of brain stem

Inclusion Terms

Benign neoplasm of cerebellum

Inclusion Terms

Benign neoplasm of fourth ventricle

Excludes1

angioma ( D18.0- )

Inherited from D33 — Benign neoplasm of brain and other parts of central nervous system

Excludes1

benign neoplasm of meninges ( D32 .-)

Inherited from D33 — Benign neoplasm of brain and other parts of central nervous system

Excludes1

benign neoplasm of peripheral nerves and autonomic nervous system ( D36.1- )

Inherited from D33 — Benign neoplasm of brain and other parts of central nervous system

Excludes1

hemangioma ( D18.0- )

Inherited from D33 — Benign neoplasm of brain and other parts of central nervous system

Excludes1

neurofibromatosis ( Q85.0- )

Inherited from D33 — Benign neoplasm of brain and other parts of central nervous system

Excludes1

retro-ocular benign neoplasm ( D31.6- )

Inherited from D33 — Benign neoplasm of brain and other parts of central nervous system

Version History

How D33.1 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Benign neoplasm of brain, infratentorial

  2. FY 2026 Effective

    Unchanged

    Benign neoplasm of brain, infratentorial

Related Codes

Other codes under D33

Codes whose official notes reference D33.1

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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