Phosphorous, Urine, 24 Hour
Test Code
UPH24
Description
Phosphorus is present in many foods with a mean intake of approximately 1500 mg per day for adult males and about 1000 mg per day for adult females. Absorbed phosphate, under the influence of parathyroid hormone is readily excreted in the kidney. Measurement of urinary phosphorus generally reflects dietary intake hence day to day excretion may show considerable variation.
Collect
24 hour urine
Pediatric Collection
Minimum Volume: 0.5 mL of urine from a well mixed 24 hour urine collection in a labeled polypropylene or similar plastic tube.
Storage Transport Temp
Offsite: Frozen. Send urine aliquot Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Analyze Immediately at RT (15-25°C)
48 hours refrigerated at 2-8°C
Notes
24 hour urine sample is the only acceptable sample type.
Performed
Monday - Friday
Methodology
Ammonium Molybdate
Turnaround Time
4 hours
Department
Core Lab
Synonyms
UPH24
Study Offerings
Not offered
Reference Interval
By report.
CPT Code
84105
New York Approved
FDA Approved or Cleared
FDA
Approved or Cleared