Methodology
Calculation (CALC); ICMA; ICP/OES/ Spectrophotometry (SP)
Synonyms
Kidney Stone; Stone Anaylsis; Kidney
Specimen Type
Urine, Timed Collection
Performing Lab
Quest Diagnostics Valencia
Epic ID
Other Reference Test
Lab Test Days
Monday-Saturday
Standard TAT
2-6 Days
Collection Information
Specimen Required
30-60 mL Plain Urine ***and*** 30-60 mL Acid Urine
Container Type
See Below
Collection Instructions
Use only Quest 24 Hour Urine Collection Kits specific for renal stone formation diagnosis. Follow instructions in the kit. 1) Upon completion of 24 hour collection in the large specific orange collection container, tighten the cap on the container and mix contents in the container vigorously for one minute. A good mix will ensure accurate test results. 2) Carefully fill the two plastic white vials with urine collected in the large orange container. The two white vials must be filled within two to four hours of completion of 24 hour collection. Fill and cap vials one at a time. Cap both vials tightly, write patients name on each vial and place in zip-lock bags provided (do not remove absorbent sheets).For high urine ouput: Patient with a high urine output (greater than 3.8L) will require more than one large container. Collect urine in the first container until it is 3/4 full and then begin filling the second container to complete the 24-hour collection. Carefully follow steps 1-4 for eac hjug and mark one as box 1 of 2 and the other box 2 of 2. Note: Urine must only be collected and stored in the large orange collection container. DO NOT REMOVE SPONGE from the orange collection container. DO NOT REMOVE WOOL from the white container. DO NOT COLLECT first urination at the beginning of the 24-hour collection.During collection process store large orange container in a cool location.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Ambient-OK
Specimen Stability
Room Temp: 10 Days; Refrigerated: 10 Days; Frozen: Unacceptable
Rejection Criteria
24-hour collection container received; Large orange container
Test Volume Required
60 mL Plain Urine ***and*** 60 mL Acid Urine
Minimum Test Volume
30 mL Plain Urine ***and*** 60 mL Acid Urine
Processing Instructions
USE ONLY Quest 24 hour Urine Collection Kits specific for renal stone formation diagnosis.
Included Tests
Ammonium Urine, Brushite, Calcium Oxalate, Calcium Urine, Citrate Urine, Creatinine Urine, Magnesium Urine, Oxalate Urine, pH Urine, Phosphorus Urine, Potassium Urine, Sodium Urate, Sodium Urine, Struvite, Sulfate Urine, Uric Acid and Uric Acid Urine
CPT Codes
82140, 82340, 82507, 82570, 83735, 83945, 83986, 884105, 84133, 84300, 84392, 84560
Revised
06-05-17
Initials
SL