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HelpTest ID MET Methemoglobin and Sulfhemoglobin, Blood
Useful For
Diagnosing methemoglobinemia and sulfhemoglobinemia
Identifying cyanosis due to other causes, such as congenital heart disease
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Whole Blood EDTAShipping 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
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.
Additional Information: Patient's age is required.
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) Performed
Monday through Saturday
CPT Code Information
83050-Methemoglobin
83060-Sulfhemoglobin
Report Available
Same day/1 to 3 daysReject Due To
| Gross hemolysis | Reject |
Forms
If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen.