C72.21
✓ Billable
Malignant neoplasm of right olfactory nerve
ICD-10-CM · FY2026 · Neoplasms
Code
C72.21
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code C72.21?
ICD-10-CM code C72.21 represents Malignant neoplasm of right olfactory nerve. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C72.21 billable?
Yes. C72.21 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is C72.21 in?
C72.21 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C72 category
C72
Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system
Non-billable
C72.0
Malignant neoplasm of spinal cord
Billable
C72.1
Malignant neoplasm of cauda equina
Billable
C72.2
Malignant neoplasm of olfactory nerve
Non-billable
C72.3
Malignant neoplasm of optic nerve
Non-billable
C72.4
Malignant neoplasm of acoustic nerve
Non-billable
C72.5
Malignant neoplasm of other and unspecified cranial nerves
Non-billable
C72.9
Malignant neoplasm of central nervous system, unspecified
Billable
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