Specific code 2009 ICD-9-CM Diagnosis Code 145.9
Malignant neoplasm of mouth unspecified
  • Short description: MALIG NEOPLASM MOUTH NOS.
  • ICD-9-CM 145.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 145.9 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2009 version of ICD-9-CM 145.9.
  • More recent version(s) of ICD-9-CM 145.9: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 145.9 converts directly to:
  • 2015/16 ICD-10-CM C06.9 Malignant neoplasm of mouth, unspecified
Approximate Synonyms
  • Cancer of the oral cavity
  • Cancer of the oral cavity, squamous cell
  • Cancer of the salivary gland, minor
  • Minor salivary gland cancer
  • Mouth cancer
  • Primary malignant neoplasm of minor salivary gland
  • Primary malignant neoplasm of oral cavity
  • Squamous cell carcinoma of mouth
  • Squamous cell carcinoma, mouth
Applies To
  • Buccal cavity NOS
  • Minor salivary gland, unspecified site
  • Oral cavity NOS
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 145.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.