Laboratory Services
ABO/Rh, Prenatal
Print this pageUpdated Test Information:
| Test Description |
ABO/Rh, Prenatal
|
|
|---|---|---|
| Synonym(s) |
Blood group and type, Group and Type |
|
| Test ID |
ABORH
|
|
| General Information |
Determines the blood group (ABO) and Rh type (pos or neg) of prenatal/postpartum patients. 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. For blood grouping and Rh typing for any other patient population, please reach out directly to a local blood bank. |
|
| Specimen Type |
Whole Blood |
|
| Specimen Requirements |
Lavender top tube (EDTA) |
|
| Alternate Specimen Type |
None |
|
| Specimen Collection / Processing Instructions |
The specimen should be tested as soon as possible after collection. If testing is delayed, specimens should be stored at 2 to 8°C. |
|
| Minimum Sample Volume |
6 ml |
|
| Pediatric Min. Volume (if applicable) |
Not applicable |
|
| Stability |
Refrigerated 10 days |
|
| Unacceptable Specimen Conditions |
Grossly hemolyzed, icteric, or lipemic samples. Frozen samples. Bacterial contamination. Samples from patients other than prenatal. |
|
| Limitations |
Variable testing results may be observed with partial antigens, which are rare variants of the D antigen. Very weak expressions of the D antigen may not be detected. |
|
| Methodology |
Hemagglutination/gel filtration |
|
| Estimated TAT |
1-3 days |
|
| Testing Schedule |
Monday-Friday |
|
| CPT Code(s) |
86900 |
|
| Reference Range |
NA |
|
| Reflex Conditions |
NA |
|
| Performing Lab |
Incyte Diagnostics |
|
| LOINC Code(s) |
882-1 |
