Stone Former Panel, Urine

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General Information

Lab Name
Stone Former Panel 1, URN
Lab Code
USTON1
Epic Ordering
STONE FORMER PANEL 1, URN
Description
This test panel is similar to one commercially marketed as UroRisk, which includes all of the analytes listed below, as well as potassium, magnesium, phosphate and pH. Patient should avoid taking large doses (>2 g orally/24 hours) of vitamin C during specimen collection.
Synonyms
Components

Interpretation

Reference Range
See individual components

Ordering & Collection

Specimen Type
Urine
Collection
24 HOUR URINE. Refrigerate during collection. No Preservative required.
Unacceptable:  RANDOM URINE
Handling Instructions
Quantity
requested: 50 mL urine
minimum: 50 mL urine

Processing

Processing
MIX urine "WELL", Measure & record Total Volume
1) Aliquot 10 mL for UCA;
2) Aliquot 10 mL for UCRE & UNA;
3) Aliquot 10 mL for UURIC
4) Aliquot 10 mL for UCTRC and Freeze @ -20°C
5) Aliquot 10 mL for RUOXL and Refrigerate  see: RUOXL

Note: It is very important that any sediment (crystals) be suspended by mixing well the 24 hour urine before aliquoting.

Performance

LIS Dept Code
Performing Location(s)
HMC See Individual Tests
UW-MT See Individual Tests
Other Locations/Notes
MAYO Mayo Medical Laboratories 200 1st ST SW, Rochester, MN 55901
1-800-533-1710
Frequency
Available STAT?
No

Billing & Coding

CPT codes
82340, 82507, 82570, 83945, 84300, 84560
LOINC
18719-5