C06.8 - Malignant neoplasm of overlapping sites of other and unspecified parts of mouth

Version 2023
ICD-10:C06.8
Short Description:Malignant neoplasm of ovrlp sites of and unsp parts of mouth
Long Description:Malignant neoplasm of overlapping sites of other and unspecified parts of mouth
Status: Not Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Neoplasms (C00–D48)
    • Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
      • Malignant neoplasm of other and unspecified parts of mouth (C06)

C06.8 is a non-specific and non-billable ICD-10 code code, consider using a code with a higher level of specificity for a diagnosis of malignant neoplasm of overlapping sites of other and unspecified parts of mouth. The code is not specific and is NOT valid for the year 2023 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like C06.8 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding for Malignant neoplasm of ovrlp sites of and unsp parts of mouth

Non-specific codes like C06.8 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for malignant neoplasm of ovrlp sites of and unsp parts of mouth:

  • BILLABLE CODE - Use C06.80 for Malignant neoplasm of overlapping sites of unspecified parts of mouth
  • BILLABLE CODE - Use C06.89 for Malignant neoplasm of overlapping sites of other parts of mouth

Patient Education


Oral Cancer

Oral cancer can form in any part of the mouth. Most oral cancers begin in the flat cells that cover the surfaces of your mouth, tongue, and lips. Anyone can get oral cancer, but the risk is higher if you are male, use tobacco, drink lots of alcohol, have HPV, or have a history of head or neck cancer. Frequent sun exposure is also a risk factor for lip cancer.

Symptoms of oral cancer include :

Tests to diagnose oral cancer include a physical exam, endoscopy, biopsy, and imaging tests. Oral cancer treatments may include surgery, radiation therapy, and chemotherapy. Some patients have a combination of treatments.

NIH: National Cancer Institute


[Learn More in MedlinePlus]

Code History