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HelpTest Code DCT Direct Antiglobulin (Coomb's) Test
Specimen Requirements
Specimen Type: Whole Blood
Container/Tube: EDTA
Volume: 3.0 mL
Specimen Stability
| Specimen Type | Whole Blood |
|---|---|
| Ambient | Freshly drawn samples (preferred) |
| Refrigerate | 14 days |
| Frozen | Not Applicable |
Specimen Condition
| Gross Haemolysis | Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others | Insufficient specimen - Reject |
Methodology
Immune Agglutination
Days and Times Performed
Monday through Sunday
Routine, TAT 1 day
Reference Interval
Negative
Testing Laboratory
National University Hospital
Transfusion Services, 67722305
Useful For
To detect the presence of globulins (IgG and C3d) coating red cells
Service Code
2012200
Update
Last updated 16/06/2025
Reflex Testing
Antibody Identification (Red Cell)
Laboratory Code
LAB274
Alias
DCT
Direct Antiglobulin Test
DAT