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Test Code 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


Useful 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

Reporting Name

Alpha Globin Gene Sequencing, B

Specimen Type

Whole Blood EDTA

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
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

Specimen Retention Time

Blood: 2 weeks; DNA: 3 months

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

81259-HBA1/HBA2; full sequence

LOINC Code Information

Test ID Test Order Name Order LOINC Value
WASQR Alpha Globin Gene Sequencing, B 87730-8

 

Result ID Test Result Name Result LOINC Value
47952 Alpha Globin Gene Sequencing Result 50397-9
47953 Interpretation 59466-3