DecisionDx-Melanoma

**Semantic type:** Laboratory Procedure

**Definition:** A proprietary gene expression profile test that quantifies the expression of 31 genes within primary cutaneous melanoma tumor tissue using RT-PCR and applies a validated algorithm to stratify patients into one of three metastatic risk groups: Class 1A (lowest risk), 1B/2A (increased risk), or 2B (highest risk).

**Synonyms:** - DecisionDx Melanoma