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Labcorp Oklahoma, Inc.
Test Directory


Index:

Direct Coombs (Direct Antiglobulin Test)

Order Name DIR CMBS
Test Number: 7301350
Revision Date 04/09/2013
Test Name Methodology LOINC Code
Direct Coombs Polyspecific
Hemagglutination 1007-4 
Coombs Control Cells
Hemagglutination  
Direct Coombs Polyspecific Interpretation
Hemagglutination 1007-4 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 7mL (3.5mL) Whole Blood EDTA (Pink top) Room Temperature
Alternate 1 4.5mL (3.5mL) Whole Blood EDTA (Lavender Top) Room Temperature
GENERAL INFORMATION
Testing Schedule Daily 
Expected TAT 1 Day  
Clinical Use The DAT is used to determine if red cells have been coated in vivo with immunoglobulin, complement, or both. 
Notes If the polyspecific antiglobulin screen is positive this test reflexes to the specific testing for Anti-C3D and Anti-IgG at additional charge.
CPT Code(s) 86880
Lab Section Blood Bank