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Test Code RHIGSS Rh Immune Globulin Workup, LAB2051

Performing Laboratory

St. Luke's Hospital Cedar Rapids

Specimen Requirements

Container/Tube:

Preferred: Pink-top (EDTA) Tube

Acceptable: Lavender-top (EDTA) tube

Specimen Volume: 3 mL of EDTA whole blood
Stability: The sample should be tested as soon as possible following collection.  If a delay in testing occurs, the sample should be stored 2-6 C.   

Collection Instructions: For women that are Rh negative and have delivered an Rh positive infant, wait for at least one hour after delivery but should be collected specimen as soon as possible thereafter.
Note: Not indicated if baby known to be Rh negative.

Reference Values

Not applicable

Day(s) Test Set Up

Monday through Sunday

Useful For

A postpartum screening test (rosette test) for fetomaternal hemorrhage that is used to determine the amount of Rh Immune Globulin (RhIG) to be given to Rh negative mothers after birth to prevent Rh hemolytic disease of the newborn.

Methodology

Test Tube/Gel Method/Fetal Cell Rosette Screen

Test Classification and CPT Coding

85461-Rosette

86850-Antibody screen

86900-ABO
86901-Rh (D)

Report Available

Within 1 hour of receipt