TEST ID METHGBART METHEMOGLOBIN, ARTERIAL

Important Note

Send specimens to lab immediately after collection.

A syringe submitted to the laboratory with a needle attached is unacceptable.

NRLS-Core Chemistry

Whole Blood

Container/Tube:
Preferred: Sample devices containing lithium heparin (preferably, dry lithium heparin, contained in the ABG syringe set).

Acceptable: Sodium heparin syringe

Specimen Volume: 0.6 mL

Collection Instructions:

Expel air from the syringe and cap it immediately after obtaining the sample.

Do not use clay or cork to cap the syringe.

0.2 mL

Specimen Type	Temperature	Time
Whole blood	Ambient	30 minutes
	On- Ice	4 hours

An interpretive report will be provided