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Coombs, Direct, Polyspecific
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | DCT |
| Test group | Coombs |
| Performed by | Blood Bank |
| In House Availability | Test available 24 hours per day 7 days per week |
| Container type | Lavender top (6 mL size preferred) |
| Amount to Collect | 6 mL blood |
| Sample type | EDTA whole blood |
| Preferred volume | 6 mL blood |
| Min. Volume | 3 mL blood |
| UCSF Rejection Criteria | Unsigned, mislabeled or unlabeled sample |
| Normal range | Negative |
| Synonyms | DAT; Direct antiglobulin test; direct coombs; cord blood tests |
| Turn around times | 4 hours |
| Reflex? | If positive specific testing to determine if the reactivity is due to Complement or IgG is automatically performed. |
| Additional information | If the polyspecific test is positive, a monospecific assay will automatically be initiated at an additional charge to further evaluate the problem, except in neonates, in whom it may be assumed a positive test represents IgG coating of RBCs. |
| LOINC code | 51871-2 |
| Last Updated | 10/2/2010 11:51:38 AM |
| Entry Number | 251 |
If you have additional questions regarding this test, please call: 415-353-1667