Unspecified lump in the right breast, overlapping quadrants

This code signifies the presence of an uncharacterized mass or swelling located in the right breast, specifically when the lesion extends across or involves more than one quadrant. It indicates that the exact nature (e.g., cyst, fibroadenoma, malignancy) of the lump is not yet determined.

Apply this code when documentation clearly states a "lump," "mass," or "nodule" in the right breast, and the location is described as "overlapping quadrants" or "multiple quadrants," without further specificity regarding its benign or malignant nature. This is often used for initial presentations or during workup stages before a definitive diagnosis is established.

• Do not use if a more specific diagnosis (e.g., fibroadenoma, cyst, malignant neoplasm) is documented.
• Ensure the documentation explicitly states "right breast" and "overlapping quadrants" to support this code.
• Consider sequencing this code with codes for diagnostic procedures (e.g., mammography, ultrasound, biopsy) performed to investigate the lump.