Service › Human Epidermal Growth Factor Receptor 2 (HER2/neu) Human Epidermal Growth Factor Receptor 2 (HER2/neu) ₱3,330.00 Evaluates HER2/neu protein expression in breast cancer tissue to guide treatment. No fasting required. Quantity: Add To Cart Added! Evaluates HER2/neu protein expression in breast cancer tissue to guide treatment. No fasting required.