This is a Proprietary Laboratory Analyses (PLA) code, meaning that the code describes only one unique lab test made by a specific manufacturer or performed by a specific lab. Code 0295U describes DCISionRT®, PreludeDX™ from Prelude Corporation. The test involves immunohistochemistry (IHC) staining of formalin–fixed paraffin–embedded (FFPE) ductal carcinoma in situ (DCIS) breast tissue for seven protein biomarkers listed in the code descriptor. The test couples the IHC findings with four clinical/pathologic factors listed in the code descriptor for an algorithmic analysis to report a risk score for breast cancer recurrence and guide decision for radiation therapy.
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