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Phosphorus, Urine
0020478
Ordering Recommendation
Mnemonic
UPHOS
Methodology
Quantitative Spectrophotometry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
24-hour urine. Refrigerate specimen during collection. Also acceptable: Random urine. 
Specimen Preparation
Mix entire 24-hour collection. Adjust pH to 1.5-2.0 by adding 6M HCl in 1 mL increments. Transfer one 3 mL aliquot from a well-mixed 24-hour collection to an ARUP Standard Transport Tube. (Min: 0.5 mL) Record total volume, collection time interval, and pH on transport tube and test request form. 
Storage/Transport Temperature
Frozen. 
Unacceptable Conditions
 
Remarks
 
Stability
Ambient: 8 hours; Refrigerated: 48 hours; Frozen: 6 months 
Reference Interval
Test Number
Components
Reference Interval
 Phosphorus, Urine - per volume400-1300 mg/d
 Phosphorus/Creatinine Ratio, UrineMale:  
7-9 years: 165-1682 mg/g
10-12 years: 144-1234 mg/g
13-15 years: 101-1134 mg/g
16-17 years: 68-874 mg/g       
Female:
7-9 years: 153-1443 mg/g
10-12 years: 142-1321 mg/g
13-15 years: 81-930 mg/g
16-17 years: 58-846 mg/g

Interpretive Data


Components
Component Test Code*Component Chart NameLOINC
0020207Creatinine, Urine - per volume2161-8
0020208Creatinine, Urine - per 24h2162-6
0020213Phosphorus, Urine - per volume21458-5
0020214Phosphorus, Urine - per 24h2779-7
0020583Phosphorus/Creatinine Ratio, Urine13795-0
0097110Total Volume19153-6
0097111Hours Collected30211-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • HPO4-2, PO4-3
  • phosphorus urine concentration
  • Inorganic phosphate
  • Phosphorus urine test
  • Phosphorus, urine
  • PO4
  • PO4 urine concentration
  • PO4 urine level
  • urine phosphate
  • Urine phosphorus