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Labcorp Oklahoma, Inc.
Test Directory


Index:

Diabetes Group

Order Name Diabetes Group
Test Number: 2019200
Revision Date 05/03/2018
Test Name Methodology LOINC Code
Glucose
Hexokinase 2345-7 
Hemoglobin A1C (Glycosylated) with Mean Glucose
 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred See Instructions See Instructions See Instructions See Instructions
Instructions Glucose Level: Preferred 1 mL (0.5)  Plasma  Sodium fluoride (gray top)  or 1 mL (0.5)  Plasma  Lithium Heparin PST (Light Green Top) or
1 mL (0.5)  Serum  Clot Activator SST - Transport/Storage: Refrigerated.
Lithium heparin and clot tube must be spun within 2 hours for the integrity of the specimen.
Stability: Ambient: 8 hours; Refrigerated: 72 hours
Fluoride preserved plasma samples are stable at room temperature for 24 hours.
Hemoglobin A1c w/ Mean Glucose: 1 mL (0.5 mL)  Whole Blood  EDTA (Lavender Top)  Refrigerated
Patient does not need to be fasting. Specimen stability: Ambient 8 hours. Refrigerated 7 days, Frozen Unacceptable.
GENERAL INFORMATION
Testing Schedule Sun-Sat 
Expected TAT 1-2 Days  
CPT Code(s) 82947, 83036
Lab Section See Individual Assays