At a cutoff value of 89.5 ng/mL, the sensitivity of NGAL was 84.6%, while specifcity was 59.6%, positive predictive value was 36.7%, negative predictive value was 68.4%, and accuracy was 93.3% in diagnosis of AKI.Conclusion. We found that NGAL acts as a sensitive marker rather than a specific one for AKI. This evidence concerns the gene LCN2 and acute kidney injury.