Test ID WBSQR Beta-Globin Gene Sequencing, Blood (Non-Orderable)
Specimen Required
Only orderable as a reflex. For more information see:
-REVE2 / Erythrocytosis Evaluation, Blood
-HBEL1 / Hemoglobin Electrophoresis Evaluation, Blood
-HAEV1 / Hemolytic Anemia Evaluation, Blood
-MEV1 / Methemoglobinemia Evaluation, Blood
-THEV1 / Thalassemia and Hemoglobinopathy Evaluation, Blood and Serum
Secondary ID
47959Useful For
Only orderable as a reflex. For more information see:
REVE2 / Erythrocytosis Evaluation, Blood
HBEL1 / Hemoglobin Electrophoresis Evaluation, Blood
HAEV1 / Hemolytic Anemia Evaluation, Blood
MEV1 / Methemoglobinemia Evaluation, Blood
THEV1 / Thalassemia and Hemoglobinopathy Evaluation, Blood and Serum
Evaluating for the following in an algorithmic process for the 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:
-Diagnosing of beta thalassemia intermedia or major
-Identifying a specific beta thalassemia sequence variant (ie, unusually severe beta thalassemia trait)
-Evaluating an abnormal hemoglobin electrophoresis identifying a rare beta-globin variant
-Evaluating chronic hemolytic anemia of unknown etiology
-Evaluating hereditary erythrocytosis with left-shifted p50 oxygen dissociation results
-Preconception screening when there is a concern for a beta-hemoglobin disorder based on family history
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
81364-HBB (hemoglobin, beta) full sequence