ICD-10-CM: C50.- Range Will Replace Both 174.x and 175.x

Prepare for more specific codes for male breast cancer patients.

ICD-9-CM codes for breast neoplasms are fairly specific, but your ICD-10-CM options kick the detail requirements up another notch. Here's the lowdown on how ICD-10-CM incorporates additional anatomic information and increases the data needed when you code for male patients.

ICD-9-CM coding rules: Using ICD-9-CM 2011, your coding options for primary breast neoplasms differ based on sex.

For female patients you use 174.x (Malignant neoplasm of female breast), and your fourth digit options relate to anatomic location:

• 174.0, ... nipple and areola
• 174.1, ... central portion
• 174.2, ... upper-inner quadrant
• 174.3, ... lower-inner quadrant
• 174.4, ... upper-outer quadrant
• 174.5, ... lower-outer quadrant
• 174.6, ... axillary tail
• 174.8, ... other [...]
  
  - Published on 2011-11-09