Specimen Requirements

Title

Coombs’, Direct

Specimen Requirement

1 Lavender EDTA whole blood (4 mL)

Methodology

Antiglobulin test

Stability

Room Temp: 3 days, Refrigerated: 5 days

Reference Range

By Report*

Turnaround

1-2 days

Clinical Use

Detect in vivo coating of IgG and/or complement components on RBCs

Test Code

COOMB