Ordering Recommendation

Use to confirm cases of heterozygous or homozygous methemoglobin reductase deficiency.

Mnemonic
MET RED
Methodology

Quantitative Spectrophotometry

Performed

Varies

Reported

3-9 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Yellow (ACD). Also acceptable: Lavender (EDTA).

Specimen Preparation

Transport 6 mL whole blood in the original tube. (Min: 1 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Grossly hemolyzed specimens.

Remarks
Stability

Ambient: Unacceptable; Refrigerated: 22 days; Frozen: Unacceptable

Reference Interval

By Report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note
Hotline History
N/A
CPT Codes

82657

Components
Component Test Code* Component Chart Name LOINC
2011016 Methemoglobin Reductase, Whole Blood
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Cytochrome B5 Reductase
  • Diaphorase
  • Ferrihemoglobin Reductase
  • Methemoglobin Diaphorase (Methemoglobin Reductase)
Methemoglobin Reductase, Blood

Mayo Clinic Laboratories