Sign In
St. John Health System
Lab Catalog


Index:

Creatinine, Urine Random

Order Name CREAT R U
Test Number: 3000750
Revision Date 05/03/2021
Test Name Methodology LOINC Code
Creatinine, Urine Random
Kinetic Alkaline Picrate (Jaffe) 2161-8 
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. No preservative. Keep refrigerated. Specimen stability: Ambient 2 days, Refrigerated 6 days, Frozen 6 months
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1-2 days 
Clinical Use Useful in monitoring renal function, to follow possible progression of renal disease, adjust dosages of medications in which renal excretion is pivotal. 
CPT Code(s) 82570
Internal Comments 9/19/17 updated stability - JK
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Chemistry