C04.9
BillableMalignant neoplasm of floor of mouth, unspecified
Malignant neoplasm of floor of mouth, unspecified
Coding Notes
Use Additional Code
Additional codes that should follow this code
Related Codes(3)
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 floor of mouth93802007
- SCC - Squamous cell carcinoma of floor of mouth276954004
- Squamous cell carcinoma of floor of mouth276954004
- Cancer of floor of mouth363385007
- Malignant neoplasm of floor of mouth363385007
- Malignant tumor of floor of mouth363385007
- Malignant tumour of floor of mouth363385007
- Carcinoma of floor of mouth449156009
- Malignant epithelial neoplasm of floor of mouth449156009
- Malignant melanoma of floor of mouth698043002
UMLS
- Cancer of floor of mouthC0153368
- Malignant Floor of Mouth NeoplasmC0153368
- Malignant Floor of Mouth TumorC0153368
- Malignant Floor of the Mouth NeoplasmC0153368
- Malignant Floor of the Mouth TumorC0153368
- Malignant Neoplasm of Floor of MouthC0153368
- Malignant Neoplasm of the Floor of the MouthC0153368
- Malignant Tumor of Floor of MouthC0153368
- Malignant Tumor of the Floor of the MouthC0153368
- Malignant neoplasm of floor of mouthC0153368
- Malignant neoplasm of floor of mouth (disorder)C0153368
- Malignant neoplasm of floor of mouth, part unspecifiedC0153368
- Malignant neoplasm of floor of mouth, unspecifiedC0153368
- Malignant tumor of floor of mouthC0153368
- Malignant tumour of floor of mouthC0153368
- Mouth floor cancerC0153368
Clinical Terms
- Squamous cell carcinoma of floor of mouth
- Malignant neoplasm of floor of mouth, part unspecified
- Malignant neoplasm of floor of mouth (disorder)
- Mouth floor cancer
- Cancer of floor of mouth
- Carcinoma of floor of mouth
- SCC - Squamous cell carcinoma of floor of mouth
- Malignant Tumor of the Floor of the Mouth
- Malignant Neoplasm of the Floor of the Mouth
- Malignant tumour of floor of mouth
- Malignant Tumor of Floor of Mouth
- Malignant Floor of the Mouth Tumor
- Primary malignant neoplasm of floor of mouth
- Malignant Floor of Mouth Neoplasm
- Malignant Floor of Mouth Tumor
- Malignant epithelial neoplasm of floor of mouth
- Malignant melanoma of floor of mouth
- Malignant Floor of the Mouth Neoplasm
Frequently Asked Questions
What is the ICD-10 code for malignant neoplasm of floor of mouth, unspecified?
The ICD-10-CM code for malignant neoplasm of floor of mouth, unspecified is C04.9. The full clinical description is "Malignant neoplasm of floor of mouth, unspecified". C04.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code C04.9 mean?
ICD-10-CM code C04.9 represents “Malignant neoplasm of floor of mouth, unspecified”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is C04.9 a billable code?
Yes, C04.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C04.9 in?
C04.9 is in Chapter 2: Neoplasms (codes C00-D49).
Are additional codes required with C04.9?
Yes, when using C04.9, 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 C04.9 map to?
C04.9 maps to 5 SNOMED CT concepts: 363385007, 449156009, 698043002, 93802007, 276954004. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C04.9?
C04.9 is linked to 1 UMLS Concept Unique Identifier: C0153368. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C04.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of floor of mouth, unspecified 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 C04.9?
C04.9 maps to the ICD-11 code: 2B64.Z (Malignant neoplasms of floor of mouth, 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.