Hemoglobin, hemoglobin M, MetHb, Hgb M.
To assess for cyanosis and hypoxemia associated with polycythemia, pathologies affecting hemoglobin, and potential inhaled drug toxicity.
Whole blood (1 mL) collected in green-top (heparin) tube. Specimen should be transported tightly capped and in an ice slurry.
|Conventional Units||SI Units (Conventional Units × 155)|
|0.06–0.24 g/dL*||9.3–37.2 micromol/L*|
|*Percentage of total hemoglobin = 0.41–1.15%.Note: The conversion factor of ×155 is based on the molecular weight of hemoglobin of 64,500 daltons (d), or 64.5 kd.|
Methemoglobin has been found in Davis's Lab & Diagnostic Tests
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