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HelpTest Code DCT Direct Antiglobulin (Coomb's) Test
Specimen Requirements
| Preferred: |
| Lavendar Top (EDTA) |
Processing Requirements
Specimen Type: Whole Blood
Volume: 3 mL
Specimen Stability
| 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
Update
Last updated 22/05/2026
Alias
DCT
Direct Antiglobulin Test
DAT
Reflex Testing
Antibody Identification (Red Cell)
Additional Codes
| EPIC Ordering Code: | LAB274 |
|---|---|
| NBS Code: | LBC09684 |
| Service Code: | 2012200 |