Chemistry Specimen Processing
Analyte | Specimen Type | Collection Media | Collection Notes | Reference Interval |
---|---|---|---|---|
Creatinine | Urine, 24 hour | |||
Blood serum | Lithium heparin | |||
Urea | Blood serum or plasma | Lithium heparin | 2.1 - 7.1 mmol/L | |
Urine, random | Use thymol preservative and refrigerate | |||
Urine, 24 hour | Use thymol preservative and refrigerate | 430 - 710 mmol/day | ||
Uric Acid | Blood serum or plasma | Lithium heparin | ||
Urine, 24 hour | ||||
Urinalysis | Urine, first morning midstream clean-catch preferred | Fresh samples <2h old |