Malignant neoplasm of mouth, unspecified
- C06.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM C06.9 became effective on October 1, 2023.
- This is the American ICD-10-CM version of C06.9 – other international versions of ICD-10 C06.9 may differ.
Applicable To
- Malignant neoplasm of minor salivary gland, unspecified site
- Malignant neoplasm of oral cavity NOS
The following code(s) above C06.9 contain annotation back-references
that may be applicable to C06.9:
Approximate Synonyms
- Cancer of the oral cavity
- Cancer of the oral cavity, squamous cell
- Cancer of the salivary gland, minor
- Primary malignant neoplasm of minor salivary gland
- Primary malignant neoplasm of oral cavity
- Squamous cell carcinoma of mouth
Clinical Information
- A malignant tumor involving the lip and/or oral cavity. The majority are carcinomas.
- A primary or metastatic malignant tumor involving the oral cavity. The majority are squamous cell carcinomas.
ICD-10-CM C06.9 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):
- 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
- 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
- 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
- 146 Ear, nose, mouth and throat malignancy with mcc
- 147 Ear, nose, mouth and throat malignancy with cc
- 148 Ear, nose, mouth and throat malignancy without cc/mcc
Convert C06.9 to ICD-9-CMCode History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
Code annotations containing back-references to C06.9: