Test Code RHIGSS Rh Immune Globulin Workup (Inpatient) LAB2051
Test Method
Rh Typing: Antigen Antibody Agglutination; Ortho
Antibody Screen: Antigen Antibody Agglutination, Gel Card;
Ortho
Antigen and Antibody Reaction; FetalCell Screening Test
(FetalScreen); Gamma Biologicals
Performance
Testing is performed Monday through Sunday.
Routine orders: Typically completed within 4 hours after the
specimen arrives at the testing site.
Expedite orders: Typically completed within 1 hour after the
specimen arrives at the testing site.
STAT orders: Typically completed within 40 minutes
after
the specimen arrives at the testing site.
Specimen Requirement
Whole blood specimen is required.
Useful For
Determining whether a significant fetomaternal hemorrhage
has
occurred and determination of dosage amount necessary of Rh
Immune
Globulin.
Reference Values
Rh(D) Type: Negative
Antibody Screen: Negative
Fetal Cell Screen: Negative
Positive fetal cell screens are
automatically quantitated with a fetal hemoglobin stain. See
Fetal
Hemoglogin (Kleihauer-Betke Test).
CPT Code Information
86901 Transfusion Services: Blood Typing, Rh
86850 Transfusion Services: Antibody Screen, RBC, each serum
technique
85461 Coagulopathy Testing: Hemoglobin or RBCs, fetal, for
fetomaternal hemorrhage; rosette
LOINC Code Information
10331-7 Rh [Type] In Blood
14575-5 Blood Group Antibody Investigation [Interpretation]
In
Plasma Or RBC
1034-8 Fetal Cell Screen [Interpretation] In Blood
Additional Specimen Collection Information
Collect blood in EDTA purple-top or lithium heparin
green-top
from the infant’s mother.