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 Set Up
Tuesday, Thursday
Analytic Time
2 - 10 days
Soft Order Code
MMLR
Synonyms
- Diaphorase
- Cytochrome B5 Reductase
- Methemoglobin Reductase, Erythrocytes
Laboratory
Sendout
Reference Laboratory
Mayo METR (9322)
Section
Special Testing
Specimen Requirements
Collection Instructions
Collect blood in an yellow top (ACD) solution B tube. Refrigerate intact specimen; do not freeze.
Alternate Specimen
Lavender top (EDTA) is acceptable. [9/13]
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
CPT Code
82657