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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Stone Risk Profile, 24 Hour Urine (442)
Test Code: RISK
Test Components
Includes:  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, Uric Acid Urine
Useful For
The StoneRisk Diagnostic Profile is recommeded for: - Stone formers with a positive urine culture indicating urinary tract infection (UTI) - Recurrent stone formers
This test identifies all known urinary risk factors responsible for or contributing to stone formation​
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
24 Hour Urine aliquot ​ Quest kit plain aliquot vial 60 mL

​30 mL

Quest kit acid aliquot vial​ ​60 mL ​30 mL
Collection Processing Instructions

24 hour specimen collected in special Quest Stone Risk kit. Contact Customer Service at 800-222-5835 for information on this container. Sponge in jug should NOT be removed as this contains the necessary preservative.
Refer to instructions in kit. Aliquot vials must be prepared IMMEDIATELY after completion of collection (within 2-4 hours is allowable).​

Specimen Stability Information
Specimen Type Temperature Time
Plain and acid aliquot Room temperature 10 days
Refrigerated 10 days
24 hour Urine​ During collection process store large orange container in a refrigerator.
Rejection Criteria
Specimens collected in container other than that provided by Quest
​Sample received frozen
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Quest Diagnostics - Nichols Institute​

Performed Monday through Saturday​

​5 days
Calculation (CALC) • Immunochemiluminometric Assay (ICMA) • Ion Coupled Plasma/Optical Emission Spectrophotometry (ICP/OES) • Spectrophotometry (SP)
Reference Range Information
Performing Location Reference Range
Quest Diagnostics - Nichols Institute​ Interpretive report​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​82340 ​1 ​Calcium, Urine Qnt
​82570 ​1 ​Creatinine
​84133 ​1 ​Potassium
​82140 ​1 ​Ammonium
​83945 ​1 ​Oxalate
84560​ ​1 ​Uric Acid
​82507 ​1 ​Citrate
​83986 ​1 ​pH
​84300 ​1 ​Sodium
​84392 ​1 ​Sulfate
​84105 ​1 ​Phosphorus
​83735 ​1 ​Magnesuim
Test Components
Includes:  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, Uric Acid Urine
Ordering Applications
Ordering Application Description
​Centricity ​Stone Risk Diag Prof
​Cerner ​Stone Risk Diagnostic Profile
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
24 Hour Urine aliquot ​ Quest kit plain aliquot vial 60 mL

​30 mL

Quest kit acid aliquot vial​ ​60 mL ​30 mL
Collection Processing Instructions

24 hour specimen collected in special Quest Stone Risk kit. Contact Customer Service at 800-222-5835 for information on this container. Sponge in jug should NOT be removed as this contains the necessary preservative.
Refer to instructions in kit. Aliquot vials must be prepared IMMEDIATELY after completion of collection (within 2-4 hours is allowable).​

Specimen Stability Information
Specimen Type Temperature Time
Plain and acid aliquot Room temperature 10 days
Refrigerated 10 days
24 hour Urine​ During collection process store large orange container in a refrigerator.
Rejection Criteria
Specimens collected in container other than that provided by Quest
​Sample received frozen
Useful For
The StoneRisk Diagnostic Profile is recommeded for: - Stone formers with a positive urine culture indicating urinary tract infection (UTI) - Recurrent stone formers
This test identifies all known urinary risk factors responsible for or contributing to stone formation​
Reference Range Information
Performing Location Reference Range
Quest Diagnostics - Nichols Institute​ Interpretive report​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Quest Diagnostics - Nichols Institute​

Performed Monday through Saturday​

​5 days
Calculation (CALC) • Immunochemiluminometric Assay (ICMA) • Ion Coupled Plasma/Optical Emission Spectrophotometry (ICP/OES) • Spectrophotometry (SP)
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
​82340 ​1 ​Calcium, Urine Qnt
​82570 ​1 ​Creatinine
​84133 ​1 ​Potassium
​82140 ​1 ​Ammonium
​83945 ​1 ​Oxalate
84560​ ​1 ​Uric Acid
​82507 ​1 ​Citrate
​83986 ​1 ​pH
​84300 ​1 ​Sodium
​84392 ​1 ​Sulfate
​84105 ​1 ​Phosphorus
​83735 ​1 ​Magnesuim
For most current information refer to the Marshfield Laboratory online reference manual.