ABO and Rh type of mother and baby, fetal bleed screen and antibody screen of mother.
To prevent Rh-negative individuals from becoming sensitized to D antigen after exposure to Rh-positive red cells through pregnancy or transfusion. Testing is done to determine eligibility and dosing of Rh Immune Globulin. This product is recommended for Rh negative patients, for antepartum use at 26-28 weeks or at any time following termination of pregnancy, abortion, amniocentesis, ectopic pregnancy, significant abdominal trauma. May be indicated in some Rh negative patients receiving Rh positive blood products.
Specimen Collection Requirements
Blood required from both mother and newborn for post-partum testing. Two full 4.0 mL lavender (EDTA) top tubes, collected post-partum from mother. One lavender top microtainer tube from newborn.
Two full 4.0 mL lavender (EDTA) top tubes
Two lavender top microtainer tubes
Gross hemolysis, incorrect specimen container, incorrectly labeled or frozen
Ambient: 24 hours; Refrigerated: 2 days Frozen: Unacceptable
Samaritan Health Services Laboratories
Kleihauer Stain Interpretive Data:
Volume of FMH
0-14 mL = 1 dose of RhIG (if indicated)
15-44 mL = 2 doses of RhIG (if indicated)
45-74 mL = 3 doses of RhIG (if indicated)
75-104 mL = 4 doses of RhIG (if indicated)
105-134 mL = 5 doses of RhIG (if indicated)
A single dose is occasionally not adequate. Failures occur.
Thursday, January 5, 2017 03:42:29 AM