Test Code 1030
Test Details
Calcium
Calcium is an important mineral needed for blood clotting and bone health. This test measures the amount of calcium in the blood.
Methodology
Photometric
Patient Preparation
None
Preferred Specimen
1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST/Tiger Top)
Transport Temperature
Refrigerated (ship on frozen cold packs)
Stability
Refrigerated: 7 days
Lab Values
Calcium
- Low: <8.6 mg/dL
- Normal: 8.6-10.4 mg/dL
- High: >10.4 mgl/dL
- Alert: ≤6.0 or ≥13.0 mg/dL
Clinical Significance
Calcium
- Elevated levels can indicate dehydration, hyperparathyroidism, kidney disease, bone cancer or high Vitamin D, Vitamin A, or Calcium intake.
- Low levels can indicate hypoparathyroid gland problems, intestinal absorption problems, and kidney failure.
Treatment Options
Calcium
- Identify etiology of elevated calcium with physical assessment and additional diagnostic tests as indicated.
- Treatment is based on etiology of elevation.