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Test Code 059 Rh Immune Globulin Workup (Inpatient)

Additional Codes

MLAB: RHOGAMWU

PowerChart: Rhogam Studies

Epic: LAB2051 Rh Immune Globulin Workup

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