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Fetal Cell Screening Test LAB896

Test Method

Antigen and Antibody Reaction; FetalCell Screening Test
(FetalScreen); Gamma Biologicals


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.


This test is performed routinely as part of the Rh(D) Immune
Globulin Work-up.

Useful For

Determining whether a significant fetomaternal hemorrhage has

Specimen Requirement

Whole blood specimen is required.

CPT Code Information

85460 Coagulopathy Testing: Hemoglobin or RBCs, fetal, for
fetomaternal hemorrhage; differential lysis (Kleihauer-Betke)

Reference Values


Positive fetal cell screens are
automatically quantitated with a fetal hemoglobin stain. See Fetal
Hemoglogin (Kleihauer-Betke Test).

LOINC Code Information


Additional Specimen Collection Information

Collect blood in EDTA purple-top or lithium heparin green-top
from the infant’s mother. Plasma gel tubes are NOT acceptable.