Timed urine tests, with collection times ranging from 2 to 24 hours, provide important information about the substances that are excreted in urine over time.
Subtopic(s):
- Urine Chloride (Cl), Quantitative (24-Hour)
- Urine Sodium (Na), Quantitative (24-Hour)
- Urine Potassium (K), Quantitative (24-Hour) and Random
- Urine Uric Acid, Quantitative (24-Hour)
- Urine Calcium (Ca), Quantitative (24-Hour)
- Urine Magnesium, Quantitative (24-Hour)
- Urine Oxalate, Quantitative (24-Hour)
- Urine Pregnanediol (24-Hour)
- Urine Pregnanetriol (24-Hour)
- Urine 5-Hydroxyindoleacetic Acid (5-HIAA) (24-Hour)
- Urine Vanillylmandelic Acid (VMA); Catecholamines (24-Hour)
- Urine Porphyrins and Porphobilinogens (24-Hour and Random); delta-Aminolevulinic Acid (ALA, delta-ALA)
- Urine Amylase Excretion and Clearance (Random, Timed Urine, and Blood)
- Phenylketonuria (PKU) Test; Urine Phenylalanine (Random Urine and Blood)
- d-Xylose Absorption (Timed Urine and Blood)
- Urine Creatinine; Blood (Serum) Creatinine, Creatinine Clearance (CrCl) (Timed Urine and Blood), Estimated Glomerular Filtration Rate (eGFR)
- Urine Cystine (Random and 24-Hour)
- Urine Hydroxyproline (Timed Urine and Blood)
- Urine Lysozyme (Random, 24-Hour Urine, and Blood)
- Urine Amino Acids, Total and Fractions (Random, 24-Hour Urine, and Blood)