What is the reference range for serum phosphate?

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Multiple Choice

What is the reference range for serum phosphate?

Serum phosphate reference ranges come from the balance of absorption, storage in bone, and renal excretion under hormonal control. For healthy adults, the commonly used reference interval is about 0.8 to 1.4 mmol/L. This is the range that best represents normal circulating phosphate levels in the general population. The option 0.80–1.40 mmol/L matches this standard adult reference interval, so it’s the best choice. Values below this range would indicate hypophosphatemia, while values above would suggest hyperphosphatemia—the other given ranges fall outside the typical adult reference.

Serum phosphate reference ranges come from the balance of absorption, storage in bone, and renal excretion under hormonal control. For healthy adults, the commonly used reference interval is about 0.8 to 1.4 mmol/L. This is the range that best represents normal circulating phosphate levels in the general population.

The option 0.80–1.40 mmol/L matches this standard adult reference interval, so it’s the best choice. Values below this range would indicate hypophosphatemia, while values above would suggest hyperphosphatemia—the other given ranges fall outside the typical adult reference.

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