| ADA | Antidrug antibody |
| ADC | Antibody–drug conjugate |
| ADME | Absorption, distribution, metabolism and excretion |
| CIQA | Cryo-imaging quantitative autoradiography |
| DAR | Drug-to-antibody ratio |
| DM1 | Mertansine |
| DM4 | Ravtansine |
| DOTA | Tetraxetan |
| DTPA | Pentetic acid |
| EIC | Extracted-ion chromatogram |
| ELISA | Enzyme-linked immunosorbent assay |
| EPR | Enhanced permeability and retention |
| Fab | Fragment antigen binding |
| Fc | Fragment crystallizable |
| FcRn | Neonatal Fc receptor |
| FDA | Food and Drug Administration |
| FMT | Fluorescence molecular tomography |
| HER-2 | Human epidermal growth factor receptor 2 |
| HR/AM | High resolution accurate-mass |
| HRMS | High resolution mass spectrometry |
| HRP | Horseradish peroxidase |
| IgG | Immunoglobulin G |
| IS | Internal standard |
| LBA | Ligand binding assay |
| LB-LC–MS | Ligand-binding immuno-affinity capture followed by LC–MS analysis |
| LC–MS | Liquid chromatography tandem mass spectrometry |
| LESA–µLC–MS | Liquid extraction surface analysis coupled to µLC–MS |
| LLOQ | Lower limit of quantification |
| MMAE | Monomethyl auristatin E |
| MMAF | Monomethyl auristatin F |
| nSMOL | Nano-surface and molecular-orientation limited proteolysis |
| PET | Positron emission tomography |
| QWBA | Quantitative whole-body autoradiography |
| SEC | Size exclusion chromatography |
| SHA | Semihomogeneous assay |
| SPE | Solid phase extraction |
| SPECT | Single-photon emission computed tomography |
| T-DM1 | Trastuzumab emtansine/Kadcyla® |