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Lab Test Dictionary

Thalassemia and Hemoglobinopathy Evaluation, Blood and Serum (THEV1)



Specimen Type

Serum and Whole Blood

Performing Lab

Mayo Medical Lab

Epic ID


Lab Test Days


Standard TAT

2-25 Days

Collection Information

Specimen Required

2.5-15 mL Whole Blood collected in an EDTA (lavender-top) tube *** and *** 1-2 mL Blood collected in a (red-top) tube

Container Type

See Below

Collection Instructions

Include recent transfusion information and most recent CBC results. Include Ferritin results if not sending serum. Complete a Mayo Metabolic Hematology Patient Information form is strongly recommended and submit with specimen to lab.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=Unacceptable; Refrigerated=7 Days (Preferred); Frozen=Unacceptable

Rejection Criteria

Gross hemolysis

Test Volume Required

15 mL Whole Blood *** and *** 0.6 mL Serum

Minimum Test Volume

2.5 mL Whole Blood *** and *** 0.5 mL Serum

Processing Instructions

Separate serum within two hours of collection. Include recent transfusion information, most recent CBC results, Ferritin results if not sending serum and completed Mayo Metabolic Hematology Patient Information form is strongly recommended with specimen. Order in Mayolink and send with Mayo courier Monday-Friday.

Included Tests

Hemoglobin A, Ferritin, Hemoglobin A2, Hemoglobinapthy Interpretation, Hemoglobin F, Variant, Variant 2 and Variant 3.


Insurance authorization is required prior to draw for Outpatients. OK to send on Inpatients. REFLEX genetic tests are HPFH=88184, ATHAL=81269, WASQR=81259, WBSQR=81364, WBDDR=81363, WGSQR=81479

CPT Codes

83020 (x2), 83021,82728; 82664; 83068; 83789 - Only need insurance authorization for REFLEX genetic cpt codes: 88184, 81269, 81259, 81364, 81363, 81479