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HelpTest Code CACAL Calcium, Calculated
Specimen Information
Obtain specimen using standard phlebotomy techniques.
No special patient preparation is necessary.
| Container | Specimen | Temperature | Collect Vol | Submit Vol | Min Vol | Stability |
| SST | Serum | Refrigerate | 4.0 mL | 2.0 mL | 0.6 mL | 7 days |
| Lithium Heparin | Plasma | Refrigerate | 4.0 mL | 2.0 mL | 0.6 mL | 7 days |
Reject Due To:
- Moderate or Marked Hemolysis
- Specimen unlabeled or mislabeled
Reference Range
8.4 - 10.2 mg/dL
Critical Value(s): <6.6 mg/dL or >11.5 mg/dL
Test Schedule / Analytical Time / Test Priority
Daily / Same Day / Available STAT
Instrumentation / Method
Ortho Vitros XT 7600 / Colorimetric
CPT / LOINC / Order Code
| Meditech | Medent | LOINC | CPT |
| CACAL | CACAL | 46099-8 | 82310 |
Calculation
CACAL = total calcium + (4.0 - albumin) * 0.8
Useful For
Estimating the total calcium level when the albumin level is either high or low.