Home
HelpTest ID BLOD0923 Direct Coombs
Specimen Type/Requirements
Pink top (EDTA) tube - Whole Blood (preferred)
Lavender top (EDTA) tube - Whole Blood
Testing within 48 hours of collection is recommended, but specimens may be tested up to 72 hours if refrigerated. Testing specimens older than 10 days should be avoided unless there are no other alternatives. Antibody reactivity decreases in older specimens. Specimens that exhibit gross hemolysis or contamination should not be used.
See Blood Bank Specimen Labeling Policy
Test is affected by hemolysis. Test is not affected by lipemia.
Specimen Volume
| Preferred Volume | 5.0 mL |
|---|
Stability/Transport
| Room Temperature | Not Acceptable | |
|---|---|---|
| Refrigerated | 3 days | Preferred for transport |
| Frozen | Not Acceptable |
Performed Test Frequency
Daily
Additional Information
Includes polyspecific testing; monospecific testing performed when indicated.
Performing Lab
Sanford Laboratories Sioux Falls
CPT
86880