Hemoglobin Electrophoresis

Alternative Names/Synonyms	Hemoglobinopathies, Thalassemia
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Hematology
Specimen Type	Blood
Test Code	HELEC

Ordering Instructions, Requisition

Hematopathology Requisition
(MS 333A)

Clinical Significance (If applicable)

This test is used for the determination of various hemoglobins.
Adult blood contains primarily Hgb A, Hgb A2 and Hgb F. Abnormal hemoglobins are part of a group of inherited disorders collectively called the Hemoglobinopathies.

Specimen Requirements (Sample Type)

Whole Blood (EDTA)

Specimen Requirements (Volume (mL))

1-4 mL, test can be done on CBC tube, no extra tube is required if the CBC is ordered at the same time

Specimen Requirements (Tube Type)

Lavender whole blood tube with EDTA
Light Blue citrate tube Collection Containers – Tube Types

Collection Requirements

Collection Instructions

Sample Stability

7 days when stored at 2-8º C

Cause for Rejection

Specimen Acceptability and Transport Guidance

Instrument, Methodology

Automated

Test Availability

Test performed during working hours Monday to Friday. Excludes weekends and stat holidays.

STAT Turnaround Time

1-4 days

Routine Turnaround Time

1- 4 days

Laboratory Contact Information

416-586-4800 Extension 4688