| AST | antimicrobial susceptibility testing |
| ASCC | Albert Szent-Györgyi Clinical Center |
| CLSI | Clinical and Laboratory Standards Institute |
| CF | cystic fibrosis |
| CoNS | coagulase-negative Staphylococcus |
| COL | colistin |
| CVC | central venous catheter |
| EUCAST | European Committee for Antimicrobial Susceptibility Testing |
| HAP | hospital-acquired pneumonia |
| HIV | human immunodeficiency virus |
| ID | identification |
| ICU | intensive care unit |
| LEV | levofloxacin |
| LPS | lipopolysaccharide |
| MALDI-TOF MS | matrix-assisted laser desorption-ionization time-of-flight mass spectrometry |
| MDR | multidrug-resistant |
| NSS | non species-specific breakpoints |
| SMX/TMP | sulfamethoxazole-trimetoprim |
| TGC | tigecycline |
| TPN | total parenteral nutrition |
| TTP | time-to-positivity |
| VAP | ventilator-associated pneumonia |