Laboratory Test Information Guide

Details for Hemoglobin Gene Sequencing

Test Name: Hemoglobin Gene Sequencing
Alternate Name(s): HGS
Laboratory: Clinical Immunology
Specimen Type: Peripheral Blood

4 mL K2 or K3 EDTA Lavender top Vacutainer tube
5 mL Red top Vacutainer tube

0-2 years: Lavender 1.0 pk., Red 0.5 pk
2-10 years: 2 mL Lavender top, 2 mL Red
Collection Information: Specimen should be transported at room temperature, stored at 2-8C prior to testing.
Requisition: Hamilton Molecular Diagnostic Genetics Requisition
Test Schedule: Weekly
Turnaround time from when specimen
is received in testing laboratory:
9 weeks
Reference Range: N/A
Effective Date: 2019-07-11
Revised Date:  
Critical Value: N/A
Interpretive Comments: Screening procedure prior to sending HGS testing includes CBC, serum Ferritin level, Hemoglobin Electrophoresis with quantitation of hemoglobin fractions, and when indicated, HbS Solubility test, or HbH Preparation.
Special Processing: Attach Phoresis scan and CBC and Ferritin chart to requisition
Method of Analysis:  
Critical Information Required: Available pertinent familial history (ethnic origin, known affected family members)
Storage & Shipment: Ship sample at room temperature.

Store specimen at 2-8 Celsius prior to testing.
System Codes: 
Referred To: McMaster University Medical Centre
Molecular Genetics Laboratory, Room 2N22
1200 Main Street West, Hamilton, ON L8N 3Z5
Telephone: 905-521-2100 ex.76944
Fax: 905-521-7913

Questions? Comments? Contact Laura Gopaul