C00
C00: Malignant neoplasm of lip
Non-billable headerICD-10-CM
C00 is a non-billable header ICD-10-CM code for malignant neoplasm of lip. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Use additional code
Add a secondary code to capture the detail described below.
Other codes that can never be billed with C00
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead C00
9 child codes. Green means billable.
- C00.0Malignant neoplasm of external upper lip
- C00.1Malignant neoplasm of external lower lip
- C00.2Malignant neoplasm of external lip, unspecified
- C00.3Malignant neoplasm of upper lip, inner aspect
- C00.4Malignant neoplasm of lower lip, inner aspect
- C00.5Malignant neoplasm of lip, unspecified, inner aspect
- C00.6Malignant neoplasm of commissure of lip, unspecified
- C00.8Malignant neoplasm of overlapping sites of lip
- C00.9Malignant neoplasm of lip, unspecified