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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 Clinic Laboratories in Rochester

Specimen Type

Whole Blood EDTA


Shipping Instructions


Specimen must arrive within 72 hours of collection.



Necessary Information


Patient's age is required.



Specimen Required


Container/Tube: Lavender top (EDTA)

Specimen Volume: Full tube

Additional Information: Patient's age is required.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole Blood EDTA Refrigerated 72 hours

Reject Due To

Gross hemolysis Reject

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) Performed

Monday through Saturday

CPT Code Information

83050-Methemoglobin

83060-Sulfhemoglobin

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MET Methemoglobin and Sulfhemoglobin, B 98902-0

 

Result ID Test Result Name Result LOINC Value
8268 Methemoglobin, B 2614-6
8272 Sulfhemoglobin, B 4685-4

Test Classification

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

Report Available

Same day/1 to 3 days