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.
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 volume 400-1300 mg/d
  Phosphorus/Creatinine Ratio, Urine Male:  
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



No compliance statements are in use for this test.

Note
Hotline History
N/A
CPT Codes

84105

Components
Component Test Code* Component Chart Name LOINC
0020207 Creatinine, Urine - per volume 2161-8
0020208 Creatinine, Urine - per 24h 2162-6
0020213 Phosphorus, Urine - per volume 2778-9
0020214 Phosphorus, Urine - per 24h 2779-7
0020583 Phosphorus/Creatinine Ratio, Urine 13795-0
0097110 Total Volume 19153-6
0097111 Hours Collected 30211-7
* 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
Phosphorus, Urine