Code Information

Diagnosis Code: 174.4

Short Description: Mal neo breast up-outer

Long Description: Malignant neoplasm of upper-outer quadrant of female breast

Code Classification:

  • Neoplasms (140–239)
    • Malignant neoplasm of bone, connective tissue, skin, and breast (170-176)
      • 174 Malignant neoplasm of female breast
        • 174.4 Mal neo breast up-outer

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 174.4 has the following ICD-9-CM references to the Index of Diseases and Injuries
    • breast (connective tissue) (female) (glandular tissue) (soft parts)��� 174.9��� 198.81��� 233.0����� 217������� 238.3����� 239.3
      • upper-outer quadrant��������������������� 174.4��� 198.81��� 233.0����� 217������� 238.3����� 239.3

Crosswalk Information

The code 174.4 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
174.4 Right Arrow C50.419 Malig neoplasm of upper-outer quadrant of unsp female breast
This ICD-9 to ICD-10 data is based on the 2015 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

No. ICD-9 Code ICD-9 Description
1 174.0 Malignant neoplasm of nipple and areola of female breast
2 174.1 Malignant neoplasm of central portion of female breast
3 174.2 Malignant neoplasm of upper-inner quadrant of female breast
4 174.3 Malignant neoplasm of lower-inner quadrant of female breast
5 174.5 Malignant neoplasm of lower-outer quadrant of female breast
6 174.6 Malignant neoplasm of axillary tail of female breast
7 174.8 Malignant neoplasm of other specified sites of female breast
8 174.9 Malignant neoplasm of breast (female), unspecified

This page was last updated on: 10/1/2014