ARUP's Laboratory Test Directory

Kidney Stone Risk Panel, Urine : 0020843

Mnemonic: KID

Methodology: Refer to individual components
Performed: Mon-Fri
Reported: Refer to individual components
Specimen Required: Collect:  24-hour urine. Use Kidney Stone/Supersaturation Urine Collection Kit (ARUP supply# 46007). Specimens should be refrigerated during collection.

Storage/Transport Temperature:  Four (4) aliquots of urine, 4 mL each, from a well-mixed collection according to the following specifications:
1st aliquot: Dispense 4 mL of specimen into the Sulfamic Acid Tube. Mix well, then freeze.
2nd aliquot: Dispense 4 mL of specimen into the Sodium Carbonate Tube. Mix well, then freeze.
3rd aliquot: Dispense 4 mL of specimen into an Unpreserved Tube. Mix well, then freeze.
4th aliquot: Dispense 4 mL of specimen into an Unpreserved Tube. Mix well, then freeze.


Remarks:  24-hour urine should be delivered to laboratory ASAP following collection. Freeze specimens immediately after aliquoting. Do not exceed 4 mL in tubes.

Stability (collection to initiation of testing):  Ambient: Unacceptable; Refrigerated: 12 hours (after collection is complete); Frozen: 3 weeks
Reference Interval:
 
Test Number Components Reference Interval
 Calcium, Urine Calcium-free diet: 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): > 250 mg/d
 Citric Acid, Urine 18 years and older: 320-1240 mg/d
0020473Creatinine, 24-Hour Urine  
 
Male Female
3-8 years:      140-700 mg/d
9-12 years:    300-1300 mg/d
13-17 years:  500-2300 mg/d
18-50 years:  1000-2500 mg/d
51-80 years:  800-2100 mg/d
81 years and older: 600-2000 mg/d
3-8 years:      140-700 mg/d
9-12 years:    300-1300 mg/d
13-17 years:  400-1600 mg/d
18-50 years:  700-1600 mg/d
51-80 years:  500-1400 mg/d
81 years and older: 400-1300 mg/d
 Oxalate, Urine0-12 years: 13-38 mg/d
Male 13 years and older: 7-44 mg/d
Female 13 years and older: 4-31 mg/d
 Uric Acid, Urine 250-750 mg/d

CPT Code(s): 82507 Citric acid; 83945 Oxalate; 84560 Uric acid; 82340 Calcium
Cross References: Renal Stone Risk Panel
 
 

 

 

 
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