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Labcorp Oklahoma, Inc.
Test Directory


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Crystals, Urine

Order Name CRYSTALS U
Test Number: 1000400
Revision Date 08/03/2021
Test Name Methodology LOINC Code
Crystals, Urine
Microscopy 5782-8 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 10 mL (1 mL) Urine, Random Sterile Urine container Refrigerated
Instructions Early morning specimens preferred. Refrigerate or deliver to lab immediately.
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1 Day  
CPT Code(s) 81015
Lab Section Hematology