Specific code 2011 ICD-9-CM Diagnosis Code 174.5
Malignant neoplasm of lower-outer quadrant of female breast
  • Short description: Mal neo breast low-outer.
  • ICD-9-CM 174.5 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 174.5 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 2011 version of ICD-9-CM 174.5.
  • More recent version(s) of ICD-9-CM 174.5: 2012 2013 2014 2015.
Convert to ICD-10-CM: 174.5 converts approximately to:
  • 2015/16 ICD-10-CM C50.519 Malignant neoplasm of lower-outer quadrant of unspecified female breast
Approximate Synonyms
  • Cancer of the female breast, lower outer quadrant
  • Cancer, female breast, left lower-outer quadrant
  • Cancer, female breast, right lower-outer quadrant
  • Female breast cancer, L lower-outer quadrant
  • Female breast cancer, lower-outer quadrant
  • Female breast cancer, R lower-outer quadrant
  • Primary malignant neoplasm of left lower outer quadrant of female breast
  • Primary malignant neoplasm of lower outer quadrant of female breast
  • Primary malignant neoplasm of right lower outer quadrant of female breast
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 174.5 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.