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Regional Medical Lab
Test Directory


Index:

Direct LDL Cholesterol

Order Name LDL DIRECT
Test Number: 3807950
Revision Date 05/03/2021
Test Name Methodology LOINC Code
Direct LDL Cholesterol
Enzymatic 18262-6 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5) Serum Clot Activator SST Refrigerated
Alternate 1 1 mL (0.5) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Instructions Separate serum/plasma from gel/cells as soon as possible (within 3 hours).
Stability: Ambient 8 hours, Refrigerated 7 days, Frozen 3 months
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 1-3 Days  
CPT Code(s) 83721
Lab Section Chemistry