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HelpTest Code DCT Direct Antiglobulin (Coomb's) Test
Laboratory Code
LAB274
Specimen Requirements
Specimen Type: Whole Blood
Container/Tube: EDTA
Volume: 3.0 mL
Specimen Stability
| Ambient | Freshly drawn samples (preferred) |
|---|---|
| Refrigerate | 14 days |
| Frozen | Not applicable |
Methodology
Immune Agglutination
Days and Times Performed
Monday through Sunday
Routine, TAT 1 day
Specimen Condition
| Gross Haemolysis | Reject |
|---|---|
| Icterus | OK |
| Lipaemia | OK |
| Others: Insufficient specimen | Reject |
Reference Interval
Negative
Reflex Testing
Antibody Identification (Red Cell)
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
Alias
DCT
Direct Antiglobulin Test
DAT
Update
Last updated 03/03/2025