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9322M
METHEMOGLOBIN REDUCTASE, BLOOD

Test Code 9322M 
Test METHEMOGLOBIN REDUCTASE, BLOOD 
Methodology Kinetic Spectrophotometric (KS) 
Description Useful for genetic studies in families and confirmation of cases of heterozygous or homozygous methemoglobin reductase deficiency. 
Specimen Draw blood in a yellow-top (ACD [solution B]) tube, and send 4.0 mL (minimum: 1.0 mL) of ACD (solution B) whole blood refrigerated. SPECIMEN CANNOT BE FROZEN. Do not transfer blood to other containers.

NOTE: PATIENT'S AGE IS REQUIRED ON REQUEST FORM FOR PROCESSING. 

Reference Values 6.6-13.3 U/g hemoglobin
Methemoglobin reductase activity in neonates (0 - 6 weeks) is normally 60% of the normal adult value. Adult values are attained between 2 - 3 months of age. 
Analytic Time 1 Day 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) 82657