Synonyms
Methemoglobin Reductase
Specimen Type
Whole Blood
Performing Lab
Mayo Medical Lab
Epic ID
Other Reference Test
Lab Test Days
Monday-Saturday
Standard TAT
3-25 Days
Collection Information
Specimen Required
3-4 mL Whole Blood collected in an EDTA (lavender-top) tube ***and*** 2.7-6 mL Whole Blood in an ACD Solution B (yellow-top) tube
Container Type
See Below
Collection Instructions
3-4 mL Whole Blood collected in an EDTA (lavender-top) tube ***and*** 2.7-6 mL Whole Blood in an ACD Solution B (yellow-top) tube. Send completed Mayo Metabolic Hematology Patient Info form with specimen to lab.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-Only
Specimen Stability
Room Temp: Unacceptable; Refrigerated: 72 Hours; Frozen: Unacceptable
Rejection Criteria
Gross hemolysis
Test Volume Required
4 mL Whole Blood collected in an EDTA (lavender-top) tube ***and*** 6 mL Whole Blood in an ACD Solution B (yellow-top) tube
Minimum Test Volume
3 mL Whole Blood collected in an EDTA (lavender-top) tube ***and*** 2.7 mL Whole Blood in an ACD Sol
Processing Instructions
Order in Mayolink and send with Mayo courier Monday-Friday. Send completed Mayo Metabolic Hematology Patient Info form with specimen. Specimen must arrive within 3 days (72 hours) of collection.
Included Tests
Methemoglobin B, Methemoglobin Reductase B, Sulfhemoglogin B, Hemoglobin A2, Hemoglobin A and Hemoglobin F.
Comments
Insurance authorization is required prior to draw for Outpatients. Ok to send on Inpatients.
CPT Codes
83020 (x2), 83021, 82657, 83050, 83060; 82664; 83068; 83789 (Only need insurance authorization for genetic cpt: 88184)
Revised
2/16/23
Initials
SA