Important Information to Know During Our Campus Transformation — Read More
Search All

Lab Test Dictionary

Methemoglobin and Sulfhemoglobin, Blood (MET)


Spectrophotometry (SP)

Specimen Type

Whole Blood

Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

Lab Test Days


Standard TAT

3-7 Days

Collection Information

Specimen Required

1-2 mL Whole Blood

Container Type

Lavender (EDTA)

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=Unacceptable; Refrigerated=72 Hours; Frozen=Unacceptable

Rejection Criteria

Gross hemolysis

Test Volume Required

2 mL Whole Blood

Minimum Test Volume

1 mL Whole Blood

Processing Instructions

Order in Mayolink and send with Mayo courier Monday-Friday. Specimen must arrive within 72 hours of collection.

CPT Codes

83050, 83060