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Test Code 2005757_ARUP Carboxyhemoglobin Quantitation, Whole Blood by Co-Oximetry

Important Note

Order as an unlisted-"2005757 Carboxyhemoglobin". Keep specimen anaerobic; do not remove cap from collection tube. Refrigerate within 30 minutes after collection. Specimen should be received at ARUP within 24 hours of collection.

Specimen Type

Whole Blood

Preferred Collection Container

Green (sodium or lithium heparin)

Collection Volume

5 mL

Minimum Collection Volume

0.5 mL

Rejection Criteria

Specimens collected in EDTA tubes or not anaerobically. Specimens that have been opened or exposed to room air. Frozen or room temperature specimens. Specimens containing air bubbles or clots.

Specimen Storage and Stability

Refrigerate up to 72 hours

Day(s) and Time(s) Performed

Varies; Reported 2-5 days