Phosphorus, Urine, Random

Tube Type = Urine Tube Yellow Top

Specimen Type

Test ID   LAB427
EPIC ORDER
   PHOSPHOROUS, RANDOM URINE
CPT Code(s)   84105
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station    Routine: 30; STAT: 888
Specimen Routine:

10 mL Random Urine in Yellow Top Urine Tube (No Preservative/Additive).

10 ml Random urine in Sterile collection cup acceptable if refrigerated.
  Micro: 1 mL Random Urine in Yellow Top Urine Tube (No Preservative/Additive).
Stability
Room Temperature: 8 hours
Refrigerator: 2 days If pH adjusted to <3.0, stability at 2-8°C is six months.

Frozen: Not Recommended
Availability 24 hrs/day
Turnaround Time   STAT 1hr; Routine 2 hrs
Reference Range Normal: Undefined, varies with Diet; See comments
Comments Other clinical data should be taken into consideration when interpreting these results.

Reviewed by J. Carr on January 02, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514