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HelpTest Code LAB371 Urine Calcium, Random
Performing Lab
Arnot Ogden Medical Center
Ordering Recommendations
Evaluation of calcium oxalate and calcium phosphate kidney stone risk, and calculation of urinary supersaturations.
Evaluation of bone diseases, including osteoporosis and osteomalacia.
Collect
Urine
Collection Device
Sterile Urine Cup, Clear Top No Additive
Specimen Volume
5 mL
Stability (from collection to initiation)
| Room Temp | 5 Days |
| Refrigerated | 5 Weeks |
| Frozen | 6 Months |
Storage/Transport Temperature
Room Temp, Refrigerated, Frozen
Specimen Handling
Techs to enter 24 hour urine volume.
Do Not Load on Automated Line. Give directly to techs in Automated Chemistry.
Prior to analysis, acidify the urine specimen to a pH < 2 with 6 N HCl.
Minimum Requirements
1 mL
Methodology
Colorimetric
Remarks
TURN AROUND TIME
8 Hours
Start Date
5/2/2020
Last Review Date
7/12/25 ES