Test Code 059 Rh Immune Globulin Workup (Inpatient)
Additional Codes
ALAB: RHOGAMWU
PowerChart: Rhogam Studies
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
Specimen Requirement
Whole blood specimen is required.
Additional Specimen Collection Information
Collect blood in EDTA purple-top or lithium heparin green-top from the infant's mother.
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.
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
Useful For
Determining whether a significant fetomaternal hemorrhage has occurred and determination of dosage amount necessary of Rh Immune Globulin.
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