i had a Cbc blood test last week and my white blood cells value is 3.49 which is low, platelet count was 139 , neutrophils 37.6 low, monocytes 14.0 high, eosinophils 5.7 high, basophils 2.6 high and absolute neutrophils 1.31 low... Also creating and bun elevate..... Worried this is something serious... Referred to a hematologist.. What tests will they order?