Specific code 2015 ICD-9-CM Diagnosis Code 146.0
Malignant neoplasm of tonsil
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 146.0 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 146.0 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).
Convert to ICD-10-CM: 146.0 converts approximately to:
  • 2015/16 ICD-10-CM C09.9 Malignant neoplasm of tonsil, unspecified
Approximate Synonyms
  • Cancer of the tonsil
  • Cancer of the tonsil, palatine, squamous cell
  • Primary malignant neoplasm of tonsil
  • Primary squamous cell carcinoma of tonsil palatine
  • Squamous cell carcinoma, palatine tonsils
  • Tonsil cancer
Clinical Information
  • Malignant neoplasm of the tonsils
146.0 Excludes
Applies To
  • Tonsil:
    • NOS
    • faucial
    • palatine
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 146.0 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.