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Test Code LAB6004 Direct and Indirect Coombs

Important Note

If DAT is positive with polyspecific AHG, DAT's with anti-IgG and anti-C3b-C3d will be performed.

If antibody screen is positive, one or more antibody panels will be performed (CPT 86870 for each panel)

Specimen Requirement

6.0 mL EDTA Whole Blood - Pink top (Preferred)

4.0 mL EDTA Whole Blood - Purple top (Acceptable)

Specimen must be free of hemolysis.

Testing Schedule

Daily

Testing Department

Transfusion

Method

Direct Test Method: Tube

Indirect Test Method: Gel (Tube/LISS secondary)

CPT Code

86880, 86850

STAT Turnaround Time

60 minutes

ASAP Turnaround Time

75 minutes

Routine Turnaround Time

24 hours