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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

47959

Useful 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 EDTA

Specimen 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 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

81364-HBB (hemoglobin, beta) full sequence