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Test Code MET Methemoglobin and Sulfhemoglobin, Blood

Reporting Name

Methemoglobin and Sulfhemoglobin, B

Useful For

Diagnosing methemoglobinemia and sulfhemoglobinemia

 

Identifying cyanosis due to other causes, such as congenital heart disease

Profile Information

Test ID Reporting Name Available Separately Always Performed
METH Methemoglobin, B No Yes
SULF Sulfhemoglobin, B No Yes

Method Name

Spectrophotometry (SP)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Whole Blood EDTA

Specimen Required

Specimen must arrive within 72 hours of draw.

 

Container/Tube: Lavender top (EDTA)  

Specimen Volume: Full tube

Additional Information: Patient's age is required.

Forms: If not ordering electronically, please submit a Hematopathology/Molecular Oncology Request Form (Supply T241) with the specimen.

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole Blood EDTA Refrigerated 72 hours

Reference Values

METHEMOGLOBIN

0-11 months: not established

≥1 year: 0.0-1.5% of total hemoglobin

 

SULFHEMOGLOBIN

0-11 months: not established

≥1 year: 0.0-0.4% of total hemoglobin

Day(s) and Time(s) Performed

Monday through Saturday; Continuously

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

83050-Methemoglobin

83060-Sulfhemoglobin

LOINC Code Information

Result ID Reporting Name LOINC Code
8268 Methemoglobin, B 2614-6
8272 Sulfhemoglobin, B 4685-4