Sign in →

Test Code DCBS Direct Coombs, Blood

Additional Codes

LAB274

Methodology

Used to determine if antibodies are coating the patient’s red blood cells.

Performing Laboratory

St. Mary's Regional Medical Center-Transfusion Service

Specimen Requirements

Container/Tube: Pink-top (EDTA) VACUTAINER or lavender-top (EDTA) MICROTAINER (for newborns)
Specimen: 6 mL (newborns: 1 mL) of EDTA whole blood

Transport Temperature: Ambient

Collections Instructions: Inpatient must have a hospital wristband and Blood Bank identification band.

Note: Label specimen with the patient’s full name, medical record number, phlebotomist’s initials, and date and time of draw. The initials of the second person identifying the patient must also be written on the label. The blood bank wristband number must be present on the tube (either hand write or use one of the peel off stickers).

Reference Values

Negative

If positive, monospecific direct coombs, elutions, and antibody identification performed as indicated.

Critical value (automatic call-back):  all positives

Day(s) Test Set Up

Monday through Sunday

Available STAT