The neutrophil ‘left shift’ can be ... where the reason for obtaining the CBC is as part of a ‘rule out sepsis’ evaluation, a manual differential count to obtain an I/T ratio, along ...

Cerebrospinal fluid analysis showed a cell count of 408 RBCs with 5 WBCs ... urine and CSF cultures were all negative; the left shift on the CBC in this well-appearing infant was now believed ...