Test Code FS 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.

Whole blood specimen is required.

Determining whether a significant fetomaternal hemorrhage has
occurred.

Negative

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

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

1034-8

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