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Calculi Risk Assessment, Urine
2008708
Ordering Recommendation

Use for kidney stone risk assessment and monitoring. Panel includes calcium, chloride, citric acid, creatinine, magnesium, oxalate, pH, phosphorus, potassium, sodium, and uric acid.

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
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
24-hour urine. Refrigerate during collection.  
Specimen Preparation
Transport four separate 4 mL aliquots from a well-mixed 24-hour urine collection 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. Aliquot 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.  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
Refer to individual components.  
Remarks
 
Stability
Room Temperature: Unacceptable; Refrigerated: 24 hours (after collection is complete); Frozen: 3 weeks  
Reference Interval
Test Number
Components
Reference Interval
pH, Urine5.0-7.5
0020472Calcium, Urine
Test Number
Components
Reference Interval
Calcium free diet: 5-40 mg/d5-40 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 24hRefer to report
 Calcium/Creatinine Ratio, UrineRefer to report

0020482Oxalate, Urine           
Test Number
Components
Reference Interval
 Creatinine, Urine - per 24hRefer to report
 Oxalate, Urine - per 24hRefer to report

0020478Phosphorus, Urine
Test Number
Components
Reference Interval
 Phosphorus, Urine - per volumeRefer to report
 Phosphorus/Creatinine Ratio, UrineRefer to report

0020851Sodium, Urine
Test Number
Component
Reference Interval
Sodium, Urine51-286 mmol/d
0020473Creatinine, 24-Hour UrineRefer to report

0020481Uric Acid, Urine250-750 mg/d
0020850Chloride, Urine
Test Number
Components
Reference Interval
Chloride, Urine140-250 mmol/d
0020473Creatinine, 24-Hour UrineRefer to report

0020852Citric Acid, Urine
Test Number
Components
Reference Interval
 Citric Acid, Urine - per 24hRefer to report
 Citric Acid/Creatinine Ratio, UrineRefer to report

0020477Magnesium, UrineEffective August 15, 2011

12-199 mg/d
0020849Potassium, Urine
Test Number
Components
Reference Interval
Potassium, Urine25-125 mmol/d
 Creatinine, Urine - per 24hRefer to report

0020473Creatinine, 24-Hour Urine
Age
Male
Female
3-8 years140-700 mg/d140-700 mg/d
9-12 years300-1300 mg/d300-1300 mg/d
13-17 years500-2300 mg/d400-1600 mg/d
18-50 years1000-2500 mg/d700-1600 mg/d
51-80 years800-2100 mg/d500-1400 mg/d
81 years and older600-2000 mg/d400-1300 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 NameLOINC
0020201Sodium, Urine - per volume21525-1
0020202Potassium, Urine - per volume21476-7
0020203Chloride, Urine - per volume21194-6
0020205Calcium, Urine - per volume18488-7
0020206Calcium, Urine - per 24h6874-2
0020207Creatinine, Urine - per volume2161-8
0020208Creatinine, Urine - per 24h2162-6
0020211Magnesium, Urine - per volume32024-2
0020212Magnesium, Urine per 24h24447-5
0020213Phosphorus, Urine - per volume21458-5
0020214Phosphorus, Urine - per 24h2779-7
0020218Uric Acid, Urine - per volume21587-1
0020219Uric Acid, Urine - per 24h3087-4
0020242Citric Acid, Urine - per 24h6687-8
0020243Citric Acid, Urine - per volume21203-5
0020255Oxalate, Urine - per 24h2701-1
0020484Oxalate, Urine - per volume27222-9
0020601Sodium, Urine - per 24h2956-1
0020602Potassium, Urine - per 24h2829-0
0020603Chloride, Urine - per 24h2079-2
0097110Total Volume19153-6
0097111Hours Collected30211-7
2008709pH, Urine2756-5
2012774EER Calculi Risk Assessment Panel, 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)