| PDR | Pandrug-resistant |
| MDR | Multidrug-resistant |
| AMR | Antimicrobial resistance |
| AST | Antimicrobial susceptibility testing |
| CARD | Comprehensive Antibiotic Resistance Database |
| Cas | CRISPR-associated proteins |
| CC | Clonal complex |
| cgMLST | Core genome multilocus sequence typing |
| CLSI | Clinical and Laboratory Standards Institute |
| CRISPR | Clustered regularly interspaced short palindromic repeats |
| ESBL | Extended-spectrum β-lactamase |
| In0 | Integron type 0 |
| Inc | Incompatibility group |
| ICU | Intensive care unit |
| KpSC | Klebsiella pneumoniae species complex |
| KL | Capsular locus |
| MGEs | Mobile genetic elements |
| MLST | Multilocus sequence typing |
| NCBI | National Center for Biotechnology Information |
| NGS | Next-generation sequencing |
| ORF | Open reading frame |
| PHOENIX | Automated microbial identification system |
| scgST | Subclonal genotype |
| SPAdes | St. Petersburg genome assembler |
| ST | Sequence type |
| TLA | Three letter acronyms |
| UTI | Urinary tract infection |
| WGS | Whole-genome sequencing |
| wzi | Capsule-associated gene in K. pneumoniae |