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Labcorp Oklahoma, Inc.
Test Directory


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Phosphorus Urine Random

Order Name PHOS R U
Test Number: 3002300
Revision Date 05/28/2021
Test Name Methodology LOINC Code
Phosphorus Urine Random
Phosphomolybdate Complex 2778-9 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Urine, Random Sterile Urine container Refrigerated
Instructions Random urine collection. Diurnal variation exists.
Specimen stability: Ambient 8 hours without acid (2 days if acidified <5 pH).
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days  
Clinical Use Useful in the diagnosis and treatment of various disorders including parathyroid gland and kidney diseases and vitamin D imbalance. 
CPT Code(s) 84105
Lab Section Chemistry