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Non-Invasive Prenatal Testing for RhD Genotyping, Fetal
2009077
Ordering Recommendation

Determines fetal RHD genotype using a maternal whole blood specimen to assess risk for alloimmune hemolytic disease of the newborn. 

Mnemonic
NIPT RHD
Methodology
Mass Spectrometry
Performed
Varies
Reported
7-14 days
New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Whole blood in two cell-free DNA BCT tubes (ARUP Supply #52543) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. 
Specimen Preparation
Transport 20 mL maternal whole blood. (Min: 16 mL) 
Storage/Transport Temperature
Room temperature. Also acceptable: Refrigerated. 
Unacceptable Conditions
Multiple fetuses. 
Remarks
Mother must have Rh-negative blood type and be greater than 10 weeks gestation. Gestational age at time of collection is required for testing. 
Stability
Ambient: 1 week; Refrigerated: 1 week; Frozen: Unacceptable 
Reference Interval
By report
Interpretive Data


Note
CPT Code(s)
81403
Components
Component Test Code*Component Chart NameLOINC
2009078RhD Genotyping, Fetal
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases

Performed at Sequenom