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Test Code THALS Thalassemia Screen

Important Note

Please complete the form Thalassemia/Hemoglobinopathy Patient Information and send it with the specimen.

Laboratory Code

LAB5168

Specimen Requirements

Submit only one of the following specimens:

Preferred
Specimen Type: Whole Blood
Container/Tube: Lavender Top (EDTA)
Volume: 5.0 mL

Minimum Volume: 3.0 mL

Collection Instructions: Send whole blood specimen to the laboratory immediately.

 

Acceptable
Specimen Type: Cord Blood
Container/Tube: Lavender Top (EDTA)
Volume: 5.0 mL
Minimum Volume: 3.0 mL
Collection Instructions: Send whole blood specimen to the laboratory immediately.

Specimen Stability

Specimen Type Whole Blood
Ambient 8 hours (preferred)
Refrigerate 1 day
Frozen Not available

Panel Information

Panel includes the following tests:

  • Full Blood Count
  • Haemoglobin A2 and F
  • Haemoglobin Electrophoresis
  • Hb H Inclusion Bodies

Methodology

Electrophoresis, CE, Brilliant Cresyl Blue Stain

Days and Times Performed

Monday through Friday, Office hours, TAT 7 – 28 days (for identification of abnormal variants)

Specimen Condition

Haemolysis OK
Icterus OK
Lipaemia OK
Others: Clotted or insufficient specimen Reject 

Reference Interval

Clinical interpretive report will be provided.

Testing Laboratory

National University Hospital
Haematology, 67725354

Useful For

Investigation of thalassaemia and other haemoglobinopathies.

Service Code

12017

LOINC Code Information

HB A 20572-4
HB A2 4552-6
HB F 32682-7
HB E 4575-7
HBH INCLUSION BODIES 59185-9
HAEMOGLOBIN ELECTROPHORESIS 13514-5
HB REPORT 49317-1

 

Alias

Thalassemia

Haemoglobinopathy

Hemoglobin S

Update

Last updated 20/03/2025

Reflex Tests

Test Code Reporting Name
0012117 Hemoglobin S (Sickling Test)

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