| *Calcium | Inorganic |
| *Sodium | *Magnesium |
| *Oxalate | *Pyrophosphate (assay as phosphate) |
| *Urate | *Citrate |
| *Cystine | Organic |
| Low urine pH | Nephrocalcin |
| Tamm-Horsfall protein | Tamm-Horsfall protein |
| *Low urine flow | Urinary prothrombin fragment 1 |
| Bacterial products | Protease inhibitor : inter α inhibitor |
| Glycosaminoglycans |
| *High urine flow |
| Other essential urine analytes | Serum analytes |
| Creatinine | Calcium |
| Creatinine clearance | Urate |
| Urine albumin (microalbumin) | Creatinine |
| If >1 mg/mmol creatinine then urine retinol binding protein | Parathyroid hormone (where hypercalcaemia present) |
| Phosphate |