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Labcorp Oklahoma, Inc.
Test Directory


Index:

Oxalate, Serum/Plasma

Order Name OXALATE PL
Test Number: 3654275
Revision Date 09/17/2024
Test Name Methodology LOINC Code
Oxalate, Serum/Plasma
Enzymatic Assay (EZA) 2699-7 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (1.7 mL) Serum Clot Activator (Red Top, No-Gel) Frozen
Alternate 1 2 mL (1.7 mL) Plasma Lithium Heparin (Dark Green Top / No-Gel) Frozen
Instructions Specimen: 2 mL(0.7) of Serum or plasma from Red-Top Tube or Green-Top (Heparin) Tube.
Specimen Storage: FREEZE
Collection: Promptly centrifuge with refrigeration and separate serum or plasma into Plastic sterile transport tube.
Stability: Ambient n/a, Refrigerated 14 days, Frozen 30 days
Cause for Rejection: Received Room Temperature. Gray top tube (Sodium Fluoride/ Potassium Oxalate). Polymer gelseparation tube (SST or PST).
GENERAL INFORMATION
Expected TAT 6 - 10 days  
Performing Labcorp Test Code 833603 
CPT Code(s) 83945
Lab Section Reference Lab