Laboratory Services

Updated Test Information:

Test Description
ABO/Rh
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). 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

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

Individuals younger than four months may not have developed sufficient antibody to allow for detection in reverse typing test.

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)

86900
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)

882-1