ABO Grouping and Rho(D) Typing
Abnormal plasma proteins, cold autoagglutinins, positive direct antiglobulin test, and, in some cases, bacteremia may interfere with test interpretation. Variable testing results may be observed with partial antigens, which are rare variants of the D antigen.
Type: Whole blood
- Specimens should be tested as soon as possible or within 72 hours of collection. Samples that cannot be tested immediately should be stored at 2°C to 8°C. Do not freeze red cells.
Sample Volume: 4 mL
Minimum Volume: 1 mL (Repeat testing is not possible with this specimen volume.)
- Gross hemolysis
- Bacterial or other contamination
UFHPL Test #: 68000
- Fung MK, Grossman JB, Hillyer CD, Westhoff CM, eds. AABB Technical Manual. 18th ed. 2014.