4 - 8 hours (STAT processing not available)
FETOMATERNAL HEMORRHAGE GAMMA
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Rosette test to detect more than 15 mL of Rh positive fetal red cells in an Rh negative mother.
Screening to assess the magnitude of fetal-maternal hemorrhage for Rh Immune Globulin therapy and to determine the need for additional testing.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen at least 1 hour after delivery in a pink top tube. Send intact specimen at room temperature; do not freeze. Specimens clotted, diluted with IV fluid, or in underfilled or improper tubes will be rejected.