Direct Antiglobulin Test
| Label Mnemonic: | DAT |
| Epic code: | LAB5548 |
| Downtime form: | Doctor/Provider Orders - Pathology DeGowin Blood Center |
DeGowin Blood Center - Blood Bank
C271 GH
356-2561
C271 GH
356-2561
Specimen(s):
Blood
Collection Medium:
 | or |  |
| Pink top tube 6 mL (K2-EDTA) | Lavender top tube 3 mL (EDTA) |
Minimum:
Adults - 2 mL
Pediatrics - 1 mL or EDTA Microtainer®
Pediatrics - 1 mL or EDTA Microtainer®
Rejection Criteria:
Specimen must be labeled with patient's first and last name and medical
record number. Specimens will be rejected if information is not on the
label when received.
Testing Schedule:
24 hrs/day, 7 days a week, including holidays.
Turn Around
Time:
2 hours (upon receipt in laboratory)
Reference Range:
Negative result means that no antibodies were detected on the patient's
red cells using polyspecific antiglobulin or anti IgG, depending on the
patient age. If the patient is greater than four months old, poly
specific antiglobulin is used. If the patient is less than four months
old, only IgG is used.
Comments:
Monospecific testing for IgG and C3 complement is automatically
performed when the polyspecific test is positive.
Elution performed per pathologist recommendation or clinician order.
Only monospecific testing of IgG will be performed on cord samples when mothers are alloimmunized, when mother's antibody status is unknown, or on samples from patients < 4 months old.
Elution performed per pathologist recommendation or clinician order.
Only monospecific testing of IgG will be performed on cord samples when mothers are alloimmunized, when mother's antibody status is unknown, or on samples from patients < 4 months old.
Methodology:
Tube test
CPT Code:
86880