Test Overview
Test Methodology
Kinetic Spectrophotometry (KS)
Test Usage
Confirming cases of heterozygous or homozygous methemoglobin reductase deficiency; genetic studies in families with methemoglobin reductase deficiency.
Reference Range*
6.6 - 13.3 U/g hemoglobin
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Test Details
Days Test Performed
Tuesday, Thursday
Analytic Time
2 - 10 days
Soft Order Code
MMLR
Synonyms
Diaphorase
Cytochrome B5 Reductase
Methemoglobin Reductase, Erythrocytes
Laboratory
Sendout
Laboratory Reference
Mayo METR (9322)
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Specimen Requirements
Offsite Collection Instructions
Collect blood in an yellow top (ACD) solution B tube. Refrigerate intact specimen; do not freeze.
Normal Volume
6 mL ACD (solution B) whole blood
Minimum Volume
1 mL ACD (solution B) whole blood
Additional Information
Test sent to Mayo Medical Laboratories.
Billing Information
Fee Codes
CPT Code
82657
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