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HelpTest Code METHGB Methemoglobin
Additional Codes
ALAB: METHGB
PowerChart: Methemoglobin
MA Cerner:
Specimen Requirement
0.5 mL lithium heparin whole blood is required.
Additional Specimen Collection Information
Collect blood in a lithium heparinized plastic syringe.
Useful For
Verifying methemoglobin toxicity in cases of suspected exposure.
Performance
Testing is performed Monday through Sunday.
Routine: Typically completed within 4 hours after the specimen arrives at the testing site.
STAT: Typically completed within 30 minutes after the specimen arrives at the testing site.
CPT Code Information
83050 Chemistry: Methemoglobin; quantitative
Test Method
Photometry; Instrumentation Laboratory
Reference Values
Metemoglobin: 0.4-1.5%