Methodology
Kinetic Spectrophotometry (KS)
Synonyms
Cytochrome b5 Reductase; Diaphorase; Ferrihemoglobin Reductase; Methemoglobin Reductase; Methemoglobin Diaphorase (Methemoglobin Reductase)
Specimen Type
Whole Blood ACD-B
Performing Lab
Mayo
Lab Test Days
Performed weekly
Standard TAT
1 to 6 days
Collection Information
Specimen Required
6 mL Whole blood collected in Yellow top (ACD); Also acceptable: Lavender top (EDTA);
Container Type
Yellow top ACD-B
Processing Information - Lab Use Only
Transport Temperature
Refrigerated
Specimen Stability
18 days
Rejection Criteria
Gross hemolysis
Test Volume Required
6 mL
Minimum Test Volume
1 mL
Processing Instructions
Send specimen in original tube. DO NOT transfer blood to other containers
Comments
Patient's age is required. If not ordering electronically, complete, print, and send a Benign Hematology Test Request (T755) with the specimen.
CPT Codes
82657
Revised
10-27-23
Initials
pxt