COL5A2 and congenital bilateral aplasia of vas deferens from CFTR mutation: Herein, we identified 10 biomarkers (COL1A1, COL1A2, COL5A1, COL5A2, LUM, MFAP5, MXRA5, THBS2, BTG2, and CD34) for diagnosing CAVD associated with diabetes.