Laboratory Services
Rh Typing
Print this pageUpdated Test Information:
| Test Description |
Rh Typing
|
|
|---|---|---|
| Synonym(s) |
Rhesus, Blood Type, Rh Factor
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|
| Test ID |
RH
|
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| 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
|
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| Specimen Requirements |
Lavender
|
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| 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.
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| Minimum Sample Volume |
6 ml
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|
| Pediatric Min. Volume (if applicable) |
3 ml
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| Stability |
Refrigerated 10 days
|
|
| Unacceptable Specimen Conditions |
Grossly hemolyzed, icteric, or lipemic samples. Frozen samples. Bacterial contamination.
|
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| Limitations |
Variable testing results may be observed with partial antigens, which are rare variants of the D antigen.
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| Methodology |
Hemagglutination/gel filtration
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| Estimated TAT |
1-3 days
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| Testing Schedule |
Monday-Saturday
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| CPT Code(s) |
86901
|
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| Reference Range |
NA
|
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| Reflex Conditions |
NA
|
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| Performing Lab |
Incyte Diagnostics
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| LOINC Code(s) |
10331-7
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