Category

Hematology

Sub Category

Haemolytic Anemia

Synonyms/Aliases

HB Electrophoresis; Abnormal Hemoglobin Studies

Abbreviations

HPLC

Type

Profile/ Panel (Bundled Tests)

7 days

Results ready in 7 days

Method

Electrophoresis or high performance liquid chromatography (hPLC).

Temp

Room temperature.

Setup

Daily

Components Parameters

HBF, HBA0, HBA2 quantification & detection of abnormal Hemoglobin variants.

Pre-analytic Considerations

N/A

Test Ordering Instructions

Fill out test request form fully & legibly. Exact age (date of birth preferred) and history of blood transfusion (within the past 3-4 months) is required.

Patient preparation

N/A

Sample type

EDTA whole blood.

Container/ preservative

EDTA (Purple Top) Vacutainer.

Sample volume

3ML

Rejection criteria

Labeling issue (unlabeled/ mislabeled); missing request form; mismatch between request form & sample details; missing age/ gender; wrong sample type; insufficient sample; clotted sample.

Other Instructions

N/A

Reference intervals

Age appropriate values provided with report.

Clinical Utility

HBAA with normal HBF & HBA2 levels for age.

Test Limitations/ Confounders

Recent transfusion is a confounder, therefore testing should be preferentially done >3-4 months post transfusion.