PHOSPHORUS, URINE 24 Hour

Test Code: 4UPHSpecimen Collection: Urine
Component:


Phosphorus, urine
24-hour collection

Method:


S

Collection Notes: 24-hour urine specimens must be collected in an acid-washed, detergent-free container. Acidify with HCl. After collection and HCl addition, pH should be < 3.
Clinical Utility: The measurement of urinary phosphorus primarily reflects dietary intake.
CPT Code: 84105Testing Location: AML
SPECIMEN/STABILITY TYPE
Temperature:

Urine (10 mL)

Ambient
 
24
 
Hours
Refrigerated
 
4
 
Days
Frozen
 
28
 
Days

24- hr. Urine (acidified, HCl)

Refrigerated
 
6
 
Months
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