C71.9Billable
Malignant neoplasm of brain, unspecified
- Chapter
- 2. Neoplasms
- Category
- C71
- Effective date
- October 1, 2026
Related codes in category C71
C71Malignant neoplasm of brainC71.0Malignant neoplasm of cerebrum, except lobes and ventriclesYesC71.1Malignant neoplasm of frontal lobeYesC71.2Malignant neoplasm of temporal lobeYesC71.3Malignant neoplasm of parietal lobeYesC71.4Malignant neoplasm of occipital lobeYesC71.5Malignant neoplasm of cerebral ventricleYesC71.6Malignant neoplasm of cerebellumYesC71.7Malignant neoplasm of brain stemYesC71.8Malignant neoplasm of overlapping sites of brainYes
Frequently asked questions
What is ICD-10 code C71.9?
C71.9 is an ICD-10-CM diagnosis code for Malignant neoplasm of brain, unspecified.
Is C71.9 a billable code?
Yes. C71.9 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is C71.9 in?
C71.9 falls under Chapter 2: Neoplasms.
When did C71.9 become effective?
C71.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C71.9?
C71.9 belongs to category C71, which includes 10 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.