Home > 2014 ICD-9-CM Diagnosis Codes > Neoplasms 140-239 > Malignant Neoplasm Of Digestive Organs And Peritoneum 150-159 > Malignant neoplasm of other and ill-defined sites within the digestive organs and peritoneum 159-
Specific code 2014 ICD-9-CM Diagnosis Code 159.9
Malignant neoplasm of ill-defined sites within the digestive organs and peritoneum
  • 2014
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • Short description: Mal neo GI tract ill-def.
  • ICD-9-CM 159.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 159.9 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 2014 version of ICD-9-CM 159.9.
  • More recent version(s) of ICD-9-CM 159.9: 2015.
Convert to ICD-10-CM: 159.9 converts approximately to:
  • 2015/16 ICD-10-CM C26.9 Malignant neoplasm of ill-defined sites within the digestive system
Approximate Synonyms
  • Cancer GI tract mucinous adenocarcinoma primary
  • Cancer of the gastrointestinal tract
  • Gastrointestinal tract cancer
  • Mucinous adenocarcinoma of gastrointestinal tract
  • Mucinous adenocarcinoma, gastrointestinal tract
  • Primary malignant neoplasm of gastrointestinal tract
159.9 Excludes
Applies To
  • Alimentary canal or tract NOS
  • Gastrointestinal tract NOS
 159.8 ICD9Data.com 160 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 159.9 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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