Calcium, Urine
0020472
 
Ordering Recommendation
Mnemonic
UCA
Methodology
Quantitative Spectrophotometry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
24-hour urine specimens. Urine must be refrigerated during collection. Also acceptable: Random urine.  
Specimen Preparation
Adjust pH to 1.5-2.0 by adding 6M HCl in 1 mL increments. Transfer one 3 mL aliquot from a well-mixed 24-hour collection to an ARUP Standard Transport Tube. (Min: 0.5 mL) Record total volume, collection time interval, and pH on transport tube and test request form.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
 
Remarks
 
Stability
Ambient: 48 hours; Refrigerated: 4 days; Frozen: 3 weeks  
Reference Interval
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
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
Calcium/Creatinine Ratio, Urine
Age Male Female
0-​11 months
12-​23 months
24-​35 months
3-​4 years
5-​6 years
7-​9 years
10-​12 years
13-​15 years
16-​17 years
18 years and older
30-​810 mg/g
30-​560 mg/g
20-​500 mg/g
20-​410 mg/g
10-​300 mg/g
6-​431 mg/g
8-​300 mg/g
6-​293 mg/g
10-​264 mg/g
20-​240 mg/g
30-​810 mg/g
30-​560 mg/g
20-​500 mg/g
20-​410 mg/g
10-​300 mg/g
11-​457 mg/g
12-​309 mg/g
8-​313 mg/g
20-​271 mg/g
20-​300 mg/g
Interpretive Data
Note
CPT Code(s)
82340
Components
Component Test Code*Component Chart Name
0020205Calcium, Urine - per volume
0020206Calcium, Urine - per 24h
0020207Creatinine, Urine - per volume
0020208Creatinine, Urine - per 24h
0020721Calcium/Creatinine Ratio, Urine
0097110Total Volume
0097111Hours Collected
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • Ca urine
  • Total calcium, urine
  • Urine Calcium