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- Test Details
- Lab Values
- Clinical Significance
- Treatment Options
Phosphates are vital for energy production, muscle and nerve function, and bone growth, and play an important role as a buffer, helping to maintain the body's acid-base balance.
1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST / Tiger Top)
Refrigerated (ship on frozen cold packs)
Refrigerated: 4 days
- Low: <2.5 mg/dL
- Normal: 2.5-4.5 mg/dL
- High: >4.5 mg/dL
- Alert: ≤1.0 or ≥6.5
- Hypophosphatemia may be seen with malnutrition, malabsorption, acid-base imbalances, hypercalcemia, and with disorders that affect kidney function. Hyperphosphatemia may be seen with increased intake of the mineral, hypocalcemia, and with kidney dysfunction.
- Hyperphosphatemia may be seen with increased intake of the mineral, hypocalcemia, and with kidney dysfunction.
Moderate hypophosphatemia can be treated with oral phosphate supplements while intravenous phosphate replacement is recommended for severe (<1.0 mg/dL) hypophosphatemia.