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718: Phosphate (as Phosphorus) Print View
Phosphate(as Phosphorus) S  < 7 days: 4 - 9
< 3 years: 4 - 8
< 13 years: 3 - 6
< 65 years: 2.5 - 4.5
>= 65 years: 2.1 - 4.3 
mg/dL 

PRIMARY
1 Serum 1 (0.5) mL   Frozen - 28 Day(s)/Refrigerated - 7 Day(s)/Room Temperature - 72 Hour(s)  
ALTERNATE

Serum phosphorus (phosphate) levels alone are of imited diagnostic value and should be correlated with serum calcium levels. Increased phosphorus with decreased calcium suggests either hypoparathyroidism or renal disease. Decreased phosphorus and increased calcium suggests hyperparathyroidism or sarcoidosis. When both calcium and phosphorus are decreasd, diagnostic considerations include malabsoprtion, vitamin D deficiency and renal tubular acidosis. Increased phosphorus and normal or increased calcium suggests Milk-alkali syndrome or hypervitaminosis D.

Grossly hemolyzed, plasma specimens will be rejected.
Setup Schedule
Monday-Saturday

Reported (Analytical Time)
Same day

CPT Code
84100

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
Transport Temperature: Room temperature






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