Category

Transfusion/ Immunohaematology

Sub Category

Transfusion/ Immunohaematology

Synonyms/Aliases

ABO Group, Blood Type, Rhesus D Blood Group, ABO Typing

Abbreviations

RH, ABO

Type

Profile/ panel (bundled tests)

2-4 Hrs

2-4 hours after receiving sample.

Method

Hemagglutination Test.

Temp

Refrigerated.

Setup

All working days.

Components Parameters

ABO Blood Type; Rhesus D Blood Type

Pre-analytic Considerations

N/A

Test Ordering Instructions

Fill out test request form fully & legibly.

Patient preparation

N/A

Sample type

EDTA whole blood.

Container/ preservative

EDTA (purple top) vacutainer.

Sample volume

3ML (Min 0.5ML)

Rejection criteria

Unlabeled/ Mislabeled Samples; Missing/ Wrong Request Form; Frozen Samples, Clotted Sample, Wrong Vacutainer Tube.

Other Instructions

Label sample with at least 2 patient identifiers e.g. Full name & date of birth.

Reference intervals

ABO Blood Group: A, B, Ab Or O; Rhesus D: Positive Or Negative.

Clinical Utility

Pre-transfusion work-up; investigation of transfusion reactions; as part of blood or organ donor assessment; as part of profiles, e.g. Antenatal (ANC) profile.

Test Limitations/ Confounders

Presence of cold autoantibodies can affect interpretation of results, clotted sample can result in false positive results.