Find Locations
For hours, walk-ins and appointments.Synonyms
- Blood Grouping
- Blood Type
Special Instructions
If a CBC and/or an antibody screening test is ordered with this test, please submit a separate 4 mL specimen for each test.
Expected Turnaround Time
1 - 2 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
Specimen Requirements
Specimen
Whole blood
Volume
4 mL
Minimum Volume
1 mL
Container
Lavender-top (EDTA) tube
Storage Instructions
Specimens should be tested as soon as possible. Samples that cannot be tested immediately should be stored at 2°C to 8°C. Do not freeze red cells.
Stability Requirements
Temperature | Period |
|---|---|
Room temperature | 7 days |
Refrigerated | 7 days |
Causes for Rejection
Gross hemolysis; bacterial or other contamination
Test Details
Use
Determination of ABO blood group for transfusion candidates. Blood grouping of expectant mothers and newborns may indicate potential for ABO hemolytic disease of the fetus/newborn.
Limitations
Abnormal plasma proteins, cold autoagglutinins, positive direct antiglobulin test, and, in some cases, bacteremia may interfere with test interpretation.
Methodology
Hemagglutination
References
Fung MK, Grossman JB, Hillyer CD, Westhoff CM, eds. AABB Technical Manual. 18th ed. 2014.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 006056 | ABO Grouping | 883-9 | 006056 | ABO Grouping | 883-9 |
| Reflex Table for ABO Grouping | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 114067 | ABO Grouping | 006051 | ABO Grouping | 883-9 | |
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