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Test Code LABPOSTP Post Partum Assessment RhIG

Additional Codes

Test Name in Epic  Epic Test Code Mnemonic
Post Partum Assessment RhIG LABPOSTP POSTP

 

Test Alias

POSTP, POSTA, Rhig, RHIG, RhIg

Useful For/Utility

Test is indicated on all delivered mothers for the tracking of RhIG candidacy. This test requires no sample collection and is used to document the mother's Rh type was investigated. Rh negative mothers will have the cord Rh type included and state whether or not she is a RhIG candidate based on the cord Rh type.

Methodology

Tube Testing/Gel Card Testing

Test Algorithm

Infant Cord ABO/Rh is required for Rh negative mothers. Rh negative mothers with Rh positive infants will additionally require a post delivery FMH test be collected and performed. If the FMH is negative, one RhIG dose will be administered. If the FMH is positive, a qantitative test (Hgb F or Kleihauer) will be reflexed to determine the necessary vials of RhIG based on the size of the fetal/maternal bleed.

Clinical Information

Allows for documentation and correlation of Rh testing for all delivered mothers at Essentia Health, assuring no RhIG doses are missed. Additional level of patient saftey to combat the formation of Anti-D in Rh negative mothers who delivery Rh positive infants, thus preventing HDFN in future pregnancies.

Specimen Requirements

Specimen must be tested within 5 days of draw.

 

EDTA whole blood is required.

 

Specimen Type: Whole blood

Container/Tube: Pink top (K2EDTA) -Lavender-top (EDTA) tube is also acceptable.

Specimen Volume: 6 mL of K2EDTA whole blood

Specimen Minimum Volume: 1 mL

Collection Instructions: Send specimens in original tubes.

Additional Information: Label specimens appropriately (K2EDTA) and for Blood Bank (see Transfusion Services in Special Instructions).

Specimen Transport Temperature

Ambient/Refrigerate OK/Frozen NO

Day(s) Test Set Up

Monday through Sunday

Performing Laboratory

Essentia Health Laboratory-Transfusion Services

St. Joseph's Medical Center Lab, Deer River Hospital Lab, Sandstone Hospital Lab, SMDC Clinical Lab, St Mary's Hosptial - Superior Lab, Virginia Hospital Lab, Moose Lake Hospital Lab, Northern Pines Hospital Lab, Fargo Hosital Lab, Fosston Hospital Lab, Holy Trinity Hosptial Lab, St. Mary's - Detroit Lakes Lab

Special Instructions

 Drawing instuctions can be obtained from the Source under the Resources tab. Select Policies & Procedures and Select Laboratory Releated Documents.