C71 ICD-10-CM Code: Malignant neoplasm of brain
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Official description
C71Malignant neoplasm of brain
ICD-10-CM diagnosis code · United States clinical modification
Where C71 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of eye, brain and other parts of central nervous system (C69-C72)
- 3
Category C71
Malignant neoplasm of brain
- 4
Code C71
Malignant neoplasm of brain
Codes under C71
C71 is a non-billable category. Choose the child code that best matches the documented diagnosis.
C71.0Malignant neoplasm of cerebrum, except lobes and ventriclesC71.1Malignant neoplasm of frontal lobeC71.2Malignant neoplasm of temporal lobeC71.3Malignant neoplasm of parietal lobeC71.4Malignant neoplasm of occipital lobeC71.5Malignant neoplasm of cerebral ventricleC71.6Malignant neoplasm of cerebellumC71.7Malignant neoplasm of brain stemC71.8Malignant neoplasm of overlapping sites of brainC71.9Malignant neoplasm of brain, unspecifiedNotes for this code
Inclusion terms
No inclusion terms are listed for C71.
Code first
No “code first” instruction is listed for C71.
Use additional code
No “use additional code” instruction is listed for C71.
Excludes1
Conditions that should not be reported together with this code.
- malignant neoplasm of cranial nerves (C72.2-C72.5)
- retrobulbar malignant neoplasm (C69.6-)
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C71.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code C71 mean?
C71 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of brain.”
Is C71 a billable or specific ICD-10-CM code?
No. C71 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is C71 located in ICD-10-CM?
C71 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of eye, brain and other parts of central nervous system (C69-C72) (C69–C72), under category C71, Malignant neoplasm of brain.
What coding notes are listed for C71?
No inclusion terms are listed for C71 in this reference record. No code-first instruction is listed. Excludes1 notes: malignant neoplasm of cranial nerves (C72.2-C72.5); retrobulbar malignant neoplasm (C69.6-). No Excludes2 note is listed.