November 05, 2019

New Breast Lump ICD-10-CM Codes Added For 2020

In the 2020 International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) update (effective October 1), 273 new codes were added, 30 codes were revised and 21 codes have been deleted. Included in the update are two new breast lump codes, N63.15 Unspecified lump in the right breast, overlapping quadrants and N63.25 Unspecified lump in the left breast, overlapping quadrants. These codes have also been added to the Centers for Medicare and Medicaid Services National Coverage Determinations 220.4 Mammography.

The American College of Radiology has published a Q&A on how to report the new breast lump ICD-10 CM codes, for more information, visit