- Screening laboratory values: platelets ≤ 30 x 109/L,neutrophils ≤ 0.7 x 109/L,creatinine ≥ 2.0 times upper normal limit, total bilirubin ≥ 1.5 times upper normal limit (unless due to a known history of Gilbert's disease), ALT ≥ 2.5 times upper normal limit, alkaline phosphatase ≥ 2.5 times upper normal limit, INR and PTT ≤ 1.5 times upper normal limit