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



Compliance Category

FDA

Note
Hotline History
N/A
CPT Codes

82340

Components
Component Test Code* Component Chart Name LOINC
0020205 Calcium, Urine - per volume 17862-4
0020206 Calcium, Urine - per 24h 6874-2
0020207 Creatinine, Urine - per volume 2161-8
0020208 Creatinine, Urine - per 24h 2162-6
0020721 Calcium/Creatinine Ratio, Urine 13717-4
0097110 Total Volume 19153-6
0097111 Hours Collected 30211-7
* 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
  • Ca urine
  • Total calcium, urine
  • Urine Calcium
Calcium, Urine