| Ordering Code | 130 |
|---|---|
| Test Name | Calcium |
| Alias | Ca |
| Preferred Specimen | Serum |
| Preferred Container | SST (Gold) |
| Other Specimen/Container | Plasma in Lithium Heparin (Green), Serum in Plain (Red) |
| Optimum Volume | 0.5 mL |
| Transport Requirements | Oahu: Ambient Airline: Refrigerated |
| Specimen Stability | Ambient: 7 Days Refrigerated: 3 Weeks Frozen: 8 Months |
| Rejection Criteria | Insufficient quantity, Specimen older than stability limits |
| Avail. Stat | YES |
| Analytic Time | 1 Day |
| Methodology | Colorimetric, NM-BAPTA |
Reference range(s)
The reference ranges listed below are valid on this date of June 29, 2025.
| Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info |
|---|---|---|---|---|---|---|---|---|---|
| Calcium | ALL | 8.3-10.5 | <= 6.5 | >= 13.0 | 8.3-10.5 | >= 13.0 | <= 6.5 | mg/dL |