Spectrophotometry (SP)
Oxalate
Urine, Timed Collection
Quest Diagnostics San Juan Capistrano
LAB01297
Monday, Wednesday, Friday
4-7 Days
2-10 mL 24 Hour Urine
24-Hour Urine Container
Patient should refrain from taking excessive amounts of Ascorbic Acid or Oxalate-rich foods (i.e., spinach, coffee, tea, chocolate, rhubarb) for at least 48 hours prior to the collection period. Collect urine with 25 mL 6N HCl to maintain a pH below 3. Refrigerate during and after collection.
Refrigerate-OK/Frozen-OK/Ambient-OK
Room Temp: 6 Days; Refrigerated: 7 Days; Frozen: 4 Months
10 mL 24 Hour Urine
2 mL 24 Hour Urine
Collect urine with 25 mL 6N HCl to maintain a pH below 3. Refrigerate during and after collection.
83945
01-05-20
SL