Direct Antiglobulin Test

Source	Blood
Mnemonic	DAT
Specimen Requirements	1 x 6 mL lavender top tube EDTA tube Minimum Blood Volume for Patients less than 45 kg (100 lb) Including Neonates and Pediatrics
Specimen Handling	Do not centrifuge specimen. Microtainer specimens should be sent STAT.
Additional Information	Cord specimens requiring a Direct Antiglobulin Test refer to Fetal-Maternal Investigation.
Testing Location	Transfusion Medicine-FMC
Testing Frequency
Alternate Name(s)	Coombs Test, Direct
Reference Interval

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