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Lab Test Dictionary

Thalassemia and Hemoglobinopathy Evaluation, Blood and Serum (THEV1)


Synonyms

THEV1

Specimen Type

Serum and Whole Blood

Performing Lab

Mayo Medical Lab


Epic ID

LAB09296

Lab Test Days

Monday-Saturday

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

Refrigerate-Only

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.


Comments

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


Revised

5/17/24

Initials

SA