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Methemoglobin

Message
Testing is performed in the Chemistry department X 5820
Methemoglobin is part of the blood gas panel.


Test Code
METHG


Preferred Specimen
Whole blood drawn in a lithium heparin syringe or green top (Lithium Heparin) tube.


Minimum Volume
1 mL


Instructions
Analyze as soon as possible


Transport Container
Lithiuim Heparinized Syringe/Green Top


Transport Temperature


Room temperature




Methodology
Co-oximetry using a polychromator to detect optical absorbance

Setup Schedule


This assay is performed 24 hours/day, 7 days/week.




Reference Range
0.0 TO 1.8 %


Clinical Significance
This test is used in the diagnosis  of hypoxia and cyanosis.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.