2025 ICD-10-CM code C04.9
(Active) Effective Date: N/A Malignant neoplasms of lip, oral cavity and pharynx - Malignant neoplasm of floor of mouth 2 Neoplasms (C00-D49) Feed
Malignant neoplasm of floor of mouth, unspecified.
Medical necessity is established by the presence of a confirmed malignant neoplasm requiring treatment.
Clinicians should consider patient history including potential risk factors such as tobacco use and alcohol consumption.A physical exam may reveal an ulcer or lump on the floor of the mouth.Diagnosis typically involves biopsy, imaging (CT, MRI, PET), and possibly endoscopy.Treatment may include surgery, chemotherapy, and/or radiation therapy.
In simple words: Cancer of the floor of the mouth, where the exact location isn't specified.This is a serious condition where cancerous cells form in the tissues of the floor of your mouth.
Malignant neoplasm of floor of mouth, unspecified. Use additional code to identify: alcohol abuse and dependence (F10.-) history of tobacco dependence (Z87.891) tobacco dependence (F17.-) tobacco use (Z72.0)
Example 1: A 65-year-old male with a history of smoking and alcohol abuse presents with a non-healing ulcer on the floor of his mouth. Biopsy confirms squamous cell carcinoma., A 50-year-old female with no significant risk factors presents with a painless lump on the floor of her mouth.Imaging and biopsy confirm malignancy., A 70-year-old male with a previous history of throat cancer now exhibits a suspicious lesion on the floor of his mouth, diagnosed as a new primary malignancy.
Documentation should include details of the lesion (size, location, appearance), diagnostic methods (biopsy results, imaging findings), and treatment plan.
- Specialties:Otolaryngology, Head and Neck Surgery, Oncology
- Place of Service:Office, Inpatient Hospital, Outpatient Hospital