Z17.3 Human epidermal growth factor 2 receptorNon-billable header with 2 child codes.
Z17.31 Human epidermal growth factor receptor 2 positive statusZ17.32 Human epidermal growth factor receptor 2 negative statusC50 Malignant neoplasm of breast ("code to identify estrogen, and other hormones and factors receptor status (Z17.-)")Z17.0 Estrogen receptor positive status [ER+]Z17.1 Estrogen receptor negative status [ER-]Z17.2 Progesterone receptor statusZ17.21 Progesterone receptor positive statusZ17.22 Progesterone receptor negative statusZ17.3 Human epidermal growth factor 2 receptor (this code)Z17.31 Human epidermal growth factor receptor 2 positive statusZ17.32 Human epidermal growth factor receptor 2 negative statusZ17.4 Combined receptor statusZ17.41 Hormone receptor positiveZ17.410 Hormone receptor positive with human epidermal growth factor receptor 2 positive status