Calculi Risk Assessment, Urine
2008708
Ordering Recommendation
 
Mnemonic
CRA
Methodology
Quantitative Spectrophotometry/Quantitative Enzymatic/Quantitative Ion-Selective Electrode
Performed
Mon-Fri
Reported
1-7 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
24-hour urine using Calculi Risk/Supersaturation Urine Collection Kit (ARUP supply# 46007). Available online through eSupply using ARUP Connect™ or contact Client Services at (800) 522-2787. Refrigerate during collection.  
Specimen Preparation
Transport four separate 4 mL aliquots from a well-mixed 24-hour urine collection according to the following specifications:
1st aliquot (pH 2): Transfer 4 mL urine into a Sulfamic Acid Tube. (Min: 4 mL) Mix well.
2nd aliquot (pH 2): Transfer 4 mL urine into a Sulfamic Acid Tube. (Min: 4 mL) Mix well.
3rd aliquot (pH 9): Transfer 4 mL urine into a Sodium Carbonate Tube. (Min: 4mL) Mix well.
4th aliquot: Transfer 4 mL urine into an Unpreserved Tube. (Min: 4 mL)
Freeze specimens immediately after aliquoting. Do not exceed 4 mL in tubes.
Additional information required: Record total volume and collection time on tube and test request form.  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
Refer to individual components.  
Remarks
  
Stability
Room Temperature: Unacceptable; Refrigerated: 12 hours (after collection is complete); Frozen: 3 weeks  
Reference Interval
 
 
Test Number Components Reference Interval
 pH, Urine 5.0-​7.5
0020472Calcium, Urine  
 
Test Number Components Reference Interval
 Calcium free diet: 5-​40 mg/d 5-​40 mg/d
 Low Calcium Diet (800 mg/d or less) 50-​150 mg/d
 Average Calcium diet (about 800 mg/d) 100-​250 mg/d
 High Calcium diet (800 mg/d or greater) Effective February 21, 2012

Greater than 250 mg/d
 Creatinine, Urine -​ per 24h Refer to report
 Calcium/Creatinine Ratio, Urine Refer to report
0020482Oxalate, Urine            
 
Test Number Components Reference Interval
 Creatinine, Urine -​ per 24h Refer to report
 Oxalate, UrineRefer to report
0020478Phosphorus, Urine  
 
Test Number Components Reference Interval
 Phosphorus, Urine -​ mg/d Refer to report
 Phosphorus/Creatinine Ratio, Urine Refer to report
0020851Sodium, Urine  
 
Test Number Component Reference Interval
 Sodium, Urine 51-​286 mmol/d
0020473Creatinine, 24-​Hour Urine Refer to report
0020481Uric Acid, Urine Uric Acid: 250-​750 mg/d
0020850Chloride, Urine  
 
Test Number Components Reference Interval
 Chloride, Urine 140-​250 mmol/d
0020473Creatinine, 24-​Hour Urine Refer to report
0020852Citric Acid, Urine  
 
Test Number Components Reference Interval
 Citric Acid, Urine Refer to report
 Citric Acid/Creatinine Ratio, Urine Refer to report
0020477Magnesium, Urine Effective August 15, 2011

12-​199 mg/d
0020849Potassium, Urine  
 
Test Number Components Reference Interval
 Potassium, Urine 25-​125 mmol/d
 Creatinine, Urine -​ per 24h Refer to report
0020473Creatinine, 24-​Hour Urine  
 
Age Male Female
3-​8 years 140-​700 mg/d 140-​700 mg/d
9-​12 years 300-​1300 mg/d 300-​1300 mg/d
13-​17 years 500-​2300 mg/d 400-​1600 mg/d
18-​50 years 1000-​2500 mg/d 700-​1600 mg/d
51-​80 years 800-​2100 mg/d 500-​1400 mg/d
81 years and older 600-​2000 mg/d 400-​1300 mg/d
Interpretive Data
Oxalate, Urine: Reference intervals for random urine samples (mg/L) are not available.  
Note
This panel includes the following tests: Calcium, Chloride, Citric Acid, Creatinine, Magnesium, Oxalate, pH, Phosphorus, Potassium, Sodium, and Uric Acid.
CPT Code(s)
82340; 82436; 82507; 83735; 83945; 83986; 84105; 84133; 84300; 84560
Components
Component Test Code*Component Chart Name
0020201Sodium, Urine - per volume
0020202Potassium, Urine - per volume
0020203Chloride, Urine - per volume
0020205Calcium, Urine - per volume
0020206Calcium, Urine - per 24h
0020207Creatinine, Urine - per volume
0020208Creatinine, Urine - per 24h
0020211Magnesium, Urine - per volume
0020212Magnesium, Urine per 24h
0020213Phosphorus, Urine - per volume
0020214Phosphorus, Urine - per 24h
0020218Uric Acid, Urine - per volume
0020219Uric Acid, Urine - per 24h
0020242Citric Acid, Urine - per 24h
0020243Citric Acid, Urine - per volume
0020255Oxalate, Urine - per 24h
0020484Oxalate, Urine - per volume
0020601Sodium, Urine - per 24h
0020602Potassium, Urine - per 24h
0020603Chloride, Urine - per 24h
0097110Total Volume
0097111Hours Collected
2008709pH, Urine
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Renal Stone Risk Panel II (Kidney Stone Risk Panel II, Urine)