C02
⚠ Non-billable
Malignant neoplasm of other and unspecified parts of tongue
ICD-10-CM · FY2026 · Neoplasms
Code
C02
System
ICD-10-CM
Billable
No — use specific code
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 C02?
ICD-10-CM code C02 represents Malignant neoplasm of other and unspecified parts of tongue. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C02 billable?
No. C02 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is C02 in?
C02 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C02 category
C02.0
Malignant neoplasm of dorsal surface of tongue
Billable
C02.1
Malignant neoplasm of border of tongue
Billable
C02.2
Malignant neoplasm of ventral surface of tongue
Billable
C02.3
Malignant neoplasm of anterior two-thirds of tongue, part unspecified
Billable
C02.4
Malignant neoplasm of lingual tonsil
Billable
C02.8
Malignant neoplasm of overlapping sites of tongue
Billable
C02.9
Malignant neoplasm of tongue, unspecified
Billable
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