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Labcorp Oklahoma, Inc.
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Autoantibody Screen

Order Name Auto Ab Scr
Test Number: 5571950
Revision Date 03/25/2025
Test Name Methodology LOINC Code
Thyroid Peroxidase Antibody (TPO Ab, Microsomal Ab)
Enzyme Immunoassay 8099-4 
Thyroglobulin Autoantibody (TG Ab)
Enzyme Immunoassay 8098-6 
Anti-Nuclear Antibody Screen (ANA) with Reflex to Titer
Indirect Fluorescent Antibody 8061-4 
Mitochondrial Antibody Titer
Indirect Fluorescent Antibody 20483-4 
DNA Double-Stranded Antibody (anti-ds DNA)
Chemiluminescence Assay 32677-7 
ENA Screen
Chemiluminescence Assay  
Anti-Parietal Cell Antibody (APCA) Titer
Indirect Fluorescent Antibody 14241-4 
Smooth Muscle Antibody Titer
Indirect Fluorescent Antibody  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred See Instructions Serum Clot Activator SST See Instructions
Instructions Collect at least 5 Clot Activator SST Tubes and process as indicated
 
Order Code Test Name Collections
3612430 Thyroid Peroxidase Antibody 1 mL Serum Clot Activator SST Refrigerated
Stability: Room temperature 8 hours, Refrigerated 7 days, Frozen 30 days.
3612480 Thyroglobulin Autoantibody 1 mL Serum Clot Activator SST Refrigerated
Stability: Room temperature 8 hours, Refrigerated 7 days, Frozen 30 days.
5500050 Antinuclear Antibody Screen 1 mL Serum Clot Activator SST Refrigerated
Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection.
Stability After separation from cells: Ambient 8 hours, Refrigerated 7 days, Frozen 3 months (avoid repeated freeze/thaw cycles).
5567825 Mitochondrial Antibody Titer 1 mL Serum Clot Activator SST Refrigerated
5572000 DNA Antibody (Double-stranded) 1 mL (0.5) Serum Clot Activator SST Frozen
Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection.
Stability: Room Temperature 8hrs, Refrigerated: 48hrs, Frozen: 30 days. Transport Frozen"
5570050 ENA Screen 1 mL (0.5) Serum Clot Activator SST Frozen
Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection.
Stability: Room Temperature 8hrs, Refrigerated: 48hrs, Frozen: 30 days. Transport Frozen
5666675 Parietal Cell Antibody Titer 1 mL Serum Clot Activator SST Refrigerated
5572400 Smooth Muscle Antibody Titer 1.0 mL Serum Clot Activator SST Refrigerated
Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection.
Stability After separation from cells: Ambient 4hours, Refrigerated 7 days, Frozen 1 month (avoid repeated freeze/thaw cycles)
GENERAL INFORMATION
Expected TAT Assay dependant  
CPT Code(s) CPT codes are assay dependant, please refer to individual components for specific.
86376, 86800, 86038 (86039 will bill in addition if reflexed to titer), 86256, 86225 (if reflexed to confirmation 86255), 86235, 86256, 86256
Lab Section Immunology - Serology