Malignant neoplasm of mouth, unspecified

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Malignant neoplasm of mouth, unspecified

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from C06 Malignant neoplasm of other and unspecified parts of mouth

Use additional code

code to identify:
alcohol abuse and dependence (F10.-)
history of tobacco dependence (Z87.891)
tobacco dependence (F17.-)
tobacco use (Z72.0)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Warthin's tumor
Tumor > Warthin's
Carcinoma > in > pleomorphic adenoma
Tumor > salivary gland or duct type, mixed
Tumor > salivary gland or duct type, mixed > malignant
Neoplasm, neoplastic > oral
Neoplasm, neoplastic > mouth
Neoplasm, neoplastic > buccal
Neoplasm, neoplastic > cavity > oral
Neoplasm, neoplastic > cavity > buccal
Neoplasm, neoplastic > salivary gland or duct > minor NEC

Codes in the same group

Code	Description	Status
C06.0	Malignant neoplasm of cheek mucosa	Valid
C06.1	Malignant neoplasm of vestibule of mouth	Valid
C06.2	Malignant neoplasm of retromolar area	Valid
C06.8	Malignant neoplasm of overlapping sites of other and unspecified parts of mouth	Not billable