Sign in →

Test Code U24 Phos Urine 24 Hour, Phosphorus Level

Patient Preparation

No special patient preparation required

Special Collection Instructions

Specimen must be received with the following information included:

  • Total volume of collection
  • Start date and time
  • Stop date and time

Collection Method

24 hour urine collection

Minimum Volume

  • Adults: 0.5 ml
  • Pediatric: 0.3 ml

Container

24 hour urine container

Preferred Specimen

24 hour urine container

Acceptable Specimens

24 hour urine container

Reference or Target Ranges

400 – 1300 mg/24 hour period

Reportable Units

mg/24 hour period

Critical Value

Not defined for this assay

Reasons for Rejection

 


<!-- Rejection-->

 

Hemolysis Threshold 500 mg/dL
Icterus Threshold 30 mg/dL
Lipemia Threshold 125 mg/dL
Other QNS, contaminated, improperly Labeled, improper specimen type, collection information not provided

Specimen Stability

 


<!-- Stability -->

 

Ambient 8 hours
Refrigerated (4°C to 8°C) 6 months
Frozen(-40°C to 0°C) N/A

Performance Information

 


<!-- Performance information -->

 

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availabilty Yes
Performing Bench UH Chemistry
Methodology/Method Description Siemens Atellica - Colorimetric Assay

CPT Codes

81050, 84105