Number of laboratories that participated in each test of urine chemistry in 2022
| Test | Trials | |
|---|---|---|
| 1st | 2nd | |
| Albumin | 207 | 209 |
| Calcium | 176 | 177 |
| Chloride | 210 | 211 |
| Creatinine | 250 | 252 |
| Glucose | 150 | 153 |
| Magnesium | 114 | 117 |
| Phosphorus | 149 | 153 |
| Potassium | 212 | 213 |
| Protein | 212 | 214 |
| Sodium | 214 | 215 |
| Urea nitrogen | 174 | 176 |
| Uric acid | 157 | 161 |
| Urine hCG (qualitative) | 274 | 277 |
Abbreviation: hCG, human chorionic gonadotropin.