Test Directory

Rh Typing NEW!

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Test Description
Rh Typing
Synonym(s)
Rhesus, Blood Type, Rh Factor
Test ID
RH
General Information
Provides blood type (Rh positive or negative) only. The Blood group and Rh type of expectant mothers may indicate potential for hemolytic disease of the fetus/newborn. Rh typing is used to determine Rh immune globulin candidacy for prenatal and postpartum patients.
Specimen Type
Whole Blood
Alternate Specimen Type
None
Specimen Requirements
Lavender
Specimen Collection / Processing Instructions
Lavender - The specimen should be tested as soon as possible after collection. If testing is delayed, EDTA specimens should be stored at 2 to 8°C.
Stability
Refrigerated 10 days
Unacceptable Specimen Conditions
Grossly hemolyzed, icteric, or lipemic samples. Frozen samples. Bacterial contamination.
Limitations
Variable testing results may be observed with partial antigens, which are rare variants of the D antigen.
Methodology
Hemagglutination/gel filtration
Estimated TAT
1-3 days
Testing Schedule
Monday-Saturday
CPT Code(s)
86901
Minimum Sample Volume
6 ml
Pediatric Min. Volume (if applicable)
3 ml
Reference Range
NA
Reflex Conditions
NA
Performing Lab
Incyte Diagnostics
LOINC Code(s)
10331-7