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HelpTest Code METHGB Methemoglobin, Blood
Performing Laboratory
NRL-ChemistryMethodology
Spectrophotometry (SP)Specimen Requirements
Specimen Type: BloodContainer/Tube: Dry, lithium heparin syringe
Specimen Volume: 1 mL
Collection Instructions:
1. Expel air bubbles and remove needle from syringe and cap.
2. Label specimen as blood.
Additional Information: Patient’s age is required.
Specimen Transport Temperature
RefrigerateDay(s) Test Set Up
Monday through SundayTurnaround Time:
STAT-1 hour
Routine-2 hours