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HelpEPIC CODE: LAB91 Methemoglobin
ADDITIONAL TEST CODE
Sunquest: MTHGB
REGIONAL HOSPITAL PERFORMING
UPH Methodist Hospital
Collect
One Green – lithium heparin (Min: 3 mL) DO NOT CENTRIFUGE, no gel Mint green tube
Storage/Transport Temperature
Heparinized whole blood immediately at Ambient (room temperature) temperature. If delivery will be delayed, refrigerate and transport at 2-8o C. Do Not Open Tube
Stability (from collection to initiation)
Refrigerated: 3 days. Best if analyzed immediately.
Remarks
Do not freeze. Avoid hemolysis. Other anticoagulants unacceptable. Samples with excessive turbidity or containing methylene blue should be avoided. Do not separate plasma from cells. DO NOT OPEN THE TUBE, DO NOT CENTRIFUGE
Days Performed
Sunday – Saturday
Methodology
Co-oximetry (spectrophotometry)
CPT Codes
83050