C00.5
✓ Billable
Malignant neoplasm of lip, unspecified, inner aspect
ICD-10-CM · FY2026 · Neoplasms
Code
C00.5
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 C00.5?
ICD-10-CM code C00.5 represents Malignant neoplasm of lip, unspecified, inner aspect. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C00.5 billable?
Yes. C00.5 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is C00.5 in?
C00.5 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C00 category
C00
Malignant neoplasm of lip
Non-billable
C00.0
Malignant neoplasm of external upper lip
Billable
C00.1
Malignant neoplasm of external lower lip
Billable
C00.2
Malignant neoplasm of external lip, unspecified
Billable
C00.3
Malignant neoplasm of upper lip, inner aspect
Billable
C00.4
Malignant neoplasm of lower lip, inner aspect
Billable
C00.6
Malignant neoplasm of commissure of lip, unspecified
Billable
C00.8
Malignant neoplasm of overlapping sites of lip
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →