| Abbreviation | Meaning |
| Cd | Cadmium |
| GFR | Glomerular filtration rate, units of volume/time |
| eGFR | Estimated glomerular filtration rate, units of mL/min/1.73 m2 |
| CKD-EPI | Chronic kidney disease epidemiology collaboration |
| MT | Metallothionein |
| CdMT | Cadmium–metallothionein complex |
| PC | Phytochelatin |
| CdPC | Cadmium–phytochelatin complex |
| GSH | Glutathione |
| NAG | N-acetyl-β-d-glucosaminidase |
| β2MG | Beta2-microglobulin |
| Ccr | Creatinine clearance, units of volume/time |
| Vu | Urine flow rate, units of volume/time |
| Ex/Ccr | Excretion rate of x per volume of filtrate, units of mass/volume, where x = Cd, NAG, or β2MG |
| TDβ2MG | Rate of tubular degradation of β2MG, units of mass/time |
| TDβ2MG/Ccr | Amount of β2MG degraded per volume of filtrate, units of mass/volume |