| Ordering Code | 5208 |
|---|---|
| Test Name | Calcium, Random Urine |
| Alias | Random Urine Calcium Random Urine Ca++ |
| Preferred Specimen | Urine, Random |
| Preferred Container | Clean Container |
| Optimum Volume | 1.0 mL |
| Collection Instructions | Submit 10 mL of a well-mixed random collection Keep refrigerated during collection No preservatives added. |
| Handling Instructions | Processing: Prior to analysis, acidify the urine specimen to a pH <2 with 6 N HCL. Follow laboratory specific procedures for urine acidification to ensure an appropriate volume of acid is used and to avoid spurious values resulting from dilution of the sample by the acid. Samples with urine pH below 1.5 may result in negative bias. |
| Transport Requirements | Oahu: Ambient Airline: Ambient |
| Specimen Stability | Ambient: 5 Days Refrigerated: 5 Weeks Frozen: 6 Months |
| Rejection Criteria | Specimen older than stability limits |
| Avail. Stat | NO |
| Analytic Time | 1 Day |
| Methodology | Arsenazo III |
Reference range(s)
The reference ranges listed below are valid on this date of August 15, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Calcium, Urine | ALL | mg/dL | See report. |