Collection Notes: Avoid hemolyzed specimens.
Clinical Utility: Serum phosphorus levels should be correlated with serum calcium levels in order to be of diagnostic value. Phosphorus is used in the diagnosis and treatment of kidney diseases, parathyroid gland disorders, and Vitamin D imbalance.
Serum (1 mL)
Refrigerated 6 Days
Frozen >4 Days
Plasma (1 mL) Li Heparin
Refrigerated 6 Days
Frozen >4 Days
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