AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2019 Issue 4; New/Revised ICD-10-CM Codes
Breast Lump in Overlapping Quadrants
Category N63, Unspecified lump in breast, has been expanded and two new codes were created to allow for proper code assignment when an unspecified lump in the breast overlaps anatomic sites classifiable to different codes. The new codes will align with the current structure of codes for malignant neoplasm of breast (i.e., subcategory C50.8). The new codes identifying unspecified lump in the breast of overlapping sites are as follows: N63.15, Unspecified lump in the right breast, overlapping quadrants N63.25, Unspecified lump in the left breast, overlapping quadrants ...
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Article Overview
This article covers a diagnosis coding update related to unspecified breast lumps in overlapping breast quadrants. It is relevant to coding professionals who work with breast-related diagnoses and need to understand how the revised category structure is being expanded within the diagnosis code set. The article provides a brief overview of the change and identifies the newly added diagnosis codes.
Why This Topic Matters
Updates to diagnosis code structure can affect code selection, documentation alignment, and reporting for breast-related encounters. Readers need to know when a breast lump is categorized under the overlapping-sites expansion of this diagnosis family.
What You Will Learn
- How a breast-lump diagnosis category has been expanded
- What type of anatomical situation the update addresses
- Which new diagnosis codes were added to the category structure
- How the update aligns with an existing breast neoplasm code structure at a broad level
Who Should Read This
- Medical coders
- Coding auditors
- Clinical documentation staff
- Revenue cycle professionals
Codes Discussed
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