Diagnosis Code

C06.9 MALIGNANT NEOPLASM OF MOUTH, UNSPECIFIED


Code Information

Diagnosis Code: C06.9

Short Description: Malignant neoplasm of mouth, unspecified

Long Description: Malignant neoplasm of mouth, unspecified

The code C06.9 is VALID for claim submission

Code Classification:

  • Neoplasms (C00–D49)
    • Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
      • Malignant neoplasm of other and unspecified parts of mouth (C06)
        • C06.9 Malignant neoplasm of mouth, unspecified

Code Version: 2022 ICD-10-CM


Synonyms

  • Kaposi sarcoma of internal part of mouth
  • Malignant melanoma of oral cavity
  • Malignant neoplasm of oral cavity and lip and salivary gland
  • Malignant tumor of minor salivary gland
  • Malignant tumor of oral cavity
  • Neoplasm of minor salivary gland
  • Neoplasm of minor salivary gland
  • Neoplasm of oral cavity and lip and salivary gland
  • Primary malignant neoplasm of minor salivary gland
  • Primary malignant neoplasm of oral cavity
  • Primary rhabdomyosarcoma of head
  • Primary rhabdomyosarcoma of oral cavity
  • Primary squamous cell carcinoma of oral cavity
  • Primary verrucous carcinoma of oral cavity
  • Primary verrucous squamous cell carcinoma
  • Squamous cell carcinoma of mouth
  • Verrucous carcinoma of oral cavity

References to Index of Diseases and Injuries

The code C06.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Malignant neoplasm of minor salivary gland, unspecified site
    • Malignant neoplasm of oral cavity NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C06.9 Right Arrow 145.9 Malig neoplasm mouth NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
C06 Malignant neoplasm of other and unspecified parts of mouth
C06.0 Malignant neoplasm of cheek mucosa
C06.1 Malignant neoplasm of vestibule of mouth
C06.2 Malignant neoplasm of retromolar area
C06.8 Malignant neoplasm of overlapping sites of other and unspecified parts of mouth
C06.80 Malignant neoplasm of overlapping sites of unspecified parts of mouth
C06.89 Malignant neoplasm of overlapping sites of other parts of mouth


This page was last updated on: 10/1/2023