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HelpCatalog ID Pt Rh Variant Genotyping Pt. Rh Variant Genotyping
CPOE Test Name
Pt. Rh Variant Genotyping
Synonyms
RBC genotyping
Specimen Requirements
Lavender top (EDTA) tube. Samples require Name, MRN, date and phlebotomist initials/Cerner ID.
Storage and Transport
Send samples to Blood Bank, Blood Bank sends samples to Reference Laboratory for testing.
Causes for Rejection
Improper labeling; wrong tube; gross hemolysis; insufficient volume
Interpretation
Results are reported positive or negative for antigens tested.
Test Consists
Rh VARIANT PANEL Genotyping: C, E, c, e (including ces), hrS (Rh19), hrB (Rh31), altered C (r?S), V, VS, Crawford (Rh43)
Turn Around Time
5 business days
Methodology
Rh VARIANT PANEL: 24 PCR-hybridization
probes are used in 12 polymerase chain reactions to identify
the
alleles associated with the expression of 10 Rh antigens.
CPT / HCPCS Code
81479
Reference Ranges
Not applicable
Performing Lab
Blood Bank, BI-1230, 721-2731