C00.1
BillableMalignant neoplasm of external lower lip
Malignant neoplasm of external lower lip
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Malignant neoplasm of lower lip NOS
- Malignant neoplasm of lipstick area of lower lip
- Malignant neoplasm of vermilion border of lower lip
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •malignant melanoma of lipC43.0
- Merkel cell carcinoma of lip (C4A.0)
- •other and unspecified malignant neoplasm of skin of lipC44.0
Use Additional Code
Additional codes that should follow this code
Related Codes(8)
C00.0Malignant neoplasm of external upper 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
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(44)
SNOMED CT
- Primary malignant neoplasm of vermilion border of lip94135007
- Malignant neoplasm of lower lip, external187604008
- Carcinoma of vermilion border of lower lip254390001
- Malignant neoplasm of vermilion border of lower lip363373004
- Malignant tumor of vermilion border of lower lip363373004
- Malignant tumour of vermilion border of lower lip363373004
- Primary malignant neoplasm of vermilion border of lower lip372026006
- Primary squamous cell carcinoma of lip733344004
- Primary carcinoma of vermilion border of lower lip1259324005
- Primary carcinoma of lip1259434000
- Carcinoma of vermilion of lower lip1359849004
- Malignant neoplasm of vermilion of lower lip1359853002
- Primary carcinoma of vermilion of lower lip1359857001
- Malignant neoplasm of vermilion of lip1359859003
- Primary squamous cell carcinoma of vermilion border of lip242951000119108
- Primary squamous cell carcinoma of vermilion border of lower lip689481000119107
UMLS
- Malignant neoplasm of external lower lipC0432520
- Malignant neoplasm of lipstick area of lower lipC0432520
- Malignant neoplasm of lower lip, vermilion borderC0432520
- Malignant neoplasm of vermilion border of lower lipC0432520
- Malignant neoplasm of vermilion border of lower lip (disorder)C0432520
- Malignant tumor of vermilion border of lower lipC0432520
- Malignant tumour of vermilion border of lower lipC0432520
- Malignant neoplasm of lower lip NOSC0864836
Clinical Terms
- Malignant neoplasm of lipstick area of lower lip
- Primary squamous cell carcinoma of vermilion border of lower lip
- Malignant neoplasm of vermilion of lower lip
- Malignant tumour of vermilion border of lower lip
- Primary squamous cell carcinoma of lip
- Malignant neoplasm of vermilion border of lower lip (disorder)
- Malignant neoplasm of lower lip, vermilion border
- Malignant neoplasm of vermilion of lip
- Malignant neoplasm of lower lip, external
- Primary malignant neoplasm of vermilion border of lower lip
- Primary squamous cell carcinoma of vermilion border of lip
- Primary malignant neoplasm of vermilion border of lip
- Carcinoma of vermilion of lower lip
- Primary carcinoma of vermilion border of lower lip
- Carcinoma of vermilion border of lower lip
- Primary carcinoma of vermilion of lower lip
- Malignant tumor of vermilion border of lower lip
- Malignant neoplasm of vermilion border of lower lip
- Malignant neoplasm of lower lip NOS
- Primary carcinoma of lip
Frequently Asked Questions
What is the ICD-10 code for malignant neoplasm of external lower lip?
The ICD-10-CM code for malignant neoplasm of external lower lip is C00.1. The full clinical description is "Malignant neoplasm of external lower lip". C00.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code C00.1 mean?
ICD-10-CM code C00.1 represents “Malignant neoplasm of external lower lip”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is C00.1 a billable code?
Yes, C00.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C00.1 in?
C00.1 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C00.1?
C00.1 has Excludes1 notes indicating codes that cannot be used together with it, including: malignant melanoma of lip (C43.0); Merkel cell carcinoma of lip (C4A.0); other and unspecified malignant neoplasm of skin of lip (C44.0-).
Are additional codes required with C00.1?
Yes, when using C00.1, also report: ; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-); tobacco use (Z72.0).
What SNOMED CT codes does C00.1 map to?
C00.1 maps to 14 SNOMED CT concepts: 254390001, 1359849004, 187604008, 363373004, 1359859003, and 9 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C00.1?
C00.1 is linked to 2 UMLS Concept Unique Identifiers: C0432520, C0864836. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C00.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of external lower lip affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of C00.1?
C00.1 maps to the ICD-11 code: 2B60.Z (Malignant neoplasms of lip, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.