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Labcorp Oklahoma, Inc.
Test Directory


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Protein, Creatinine Ratio Urine

Order Name PROT CR RU
Test Number: 3010000
Revision Date 05/28/2021
Test Name Methodology LOINC Code
Protein Urine Random
Pyrogallol Red 2888-6 
Creatinine, Urine Random
Kinetic Alkaline Picrate (Jaffe) 2161-8 
Protein, Creatinine Ratio Urine
Calculation  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (1 mL) Urine, Random Sterile Urine container Refrigerated
Instructions Stability: Ambient 24 hours, Refrigerated 6 days, Frozen 1 month
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 Days  
CPT Code(s) 82570, 84156
Lab Section Chemistry