Z17.42 Hormone receptor negativeNon-billable header with 2 child codes.
Z17.420 Hormone receptor negative with human epidermal growth factor receptor 2 positive statusZ17.421 Hormone receptor negative with human epidermal growth factor receptor 2 negative statusC50 Malignant neoplasm of breast ("code to identify estrogen, and other hormones and factors receptor status (Z17.-)")Z17.32 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 statusZ17.411 Hormone receptor positive with human epidermal growth factor receptor 2 negative statusZ17.42 Hormone receptor negative (this code)Z17.420 Hormone receptor negative with human epidermal growth factor receptor 2 positive statusZ17.421 Hormone receptor negative with human epidermal growth factor receptor 2 negative status