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HelpTest ID WASQR Alpha-Globin Gene Sequencing, Blood
Specimen Required
Only orderable as a reflex. For more information see:
-HAEV1 / Hemolytic Anemia Evaluation, Blood
-HBEL1 / Hemoglobin Electrophoresis Evaluation, Blood
-MEV1 / Methemoglobinemia Evaluation, Blood
-REVE2 / Erythrocytosis Evaluation, Blood
-THEV1 / Thalassemia and Hemoglobinopathy Evaluation, Blood and Serum
Specimen Type: Whole blood
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Yellow top (ACD)
Specimen Volume: 4 mL
Secondary ID
47958Useful For
Testing for nondeletional alpha thalassemia in a symptomatic individual
Follow-up testing to an abnormal hemoglobin electrophoresis that identified an alpha-globin chain variant
Evaluating for nondeletional alpha thalassemias in an algorithmic process for:
-HAEV1 / Hemolytic Anemia Evaluation, Blood
-HBEL1 / Hemoglobin Electrophoresis Evaluation, Blood
-MEV1 / Methemoglobinemia Evaluation, Blood
-REVE2 / Erythrocytosis Evaluation, Blood
-THEV1 / Thalassemia and Hemoglobinopathy Evaluation, Blood and Serum
Specimen Type
Whole Blood EDTASpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood EDTA | Refrigerated | 14 days |
Reject Due To
| Gross hemolysis | OK |
| Moderately to severely clotted | Reject |
Reference Values
Only orderable as a reflex. For more information see:
-HAEV1 / Hemolytic Anemia Evaluation, Blood
-HBEL1 / Hemoglobin Electrophoresis Evaluation, Blood
-MEV1 / Methemoglobinemia Evaluation, Blood
-REVE2 / Erythrocytosis Evaluation, Blood
-THEV1 / Thalassemia and Hemoglobinopathy Evaluation, Blood and Serum
An interpretive report will be provided.
Day(s) Performed
Monday through Friday
Report Available
10 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
81259-HBA1/HBA2; full sequence