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HelpTest Code NBDATG Direct Coombs (DAT) Baby [LAB2045]
Test Method
AABB Standard: Agglutination of red cells with an antiserum
represents the presence of the corresponding antigen in the red
cells; Ortho Gel Cards. (AABB Technical manual. 14th edition.
Edited by V Vengelen-Tyler. Bethesda, MD, American Association
of
Blood Banks 2002)
Specimen Requirement
The only acceptable specimens are: Red blood cells collected
in
EDTA or Cord Blood collected in EDTA, clot tubes, or tubes with
no
additive. A capillary or micro sample may be collected in
an
EDTA microtainer. Serum/Plasma gel tubes are NOT acceptable.
Performance
Testing is performed Monday through Sunday.
Routine: Typically completed within 4 hours after the
specimen arrives at the testing site.
STAT: Typically completed within 1 hour after the
specimen
arrives at the testing site.
Useful For
Detecting possible ABO or Rh(D) incompatibility with
mother’s
blood.
Demonstrates in vivo coating of RBCs with IgG.
CPT Information
86880 Direct Antiglobulin Test
Reference Values
Direct Antiglobulin Test:
- IgG: Negative
- If positive results are called to the provider