Test directory: Carboxyhemoglobin

Ordering Code6532
Test NameCarboxyhemoglobin
AliasCarbon Monoxide
Preferred SpecimenWhole Blood
Preferred ContainerFor QMC draws: Heparinized Syringe (Lithium Heparin)
For other draw sites: Lithium Heparin
Other Specimen/ContainerWhole Blood in Lithium Heparin (Green)
Whole Blood in Lithium Heparin PST (Green)
Optimum Volume0.5 mL
Collection InstructionsIf using heparinized syringe: Remove needle and place luer tip cap on end of syringe.
Handling InstructionsDo NOT centrifuge specimen
QMC Punchbowl Hospital draws: Place tightly capped specimen on wet ice and forward to the lab within 2 hours of collection
Other draw sites: Immediately after collection, place specimen in refrigerator.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityHeparinized Syringe: 2 Hours Refrigerated
Lithium Heparin or Lithium Heparin PST tube: 3 days (unopened) Refrigerated
Rejection CriteriaAmbient, Frozen, Hemolyzed, Specimen older than stability limits, Specimen uncapped.
Avail. StatYES
Analytic Time1 Day

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
SourceALLSee report.
HemoglobinALL14.0-18.0<= 5.912.0-16.0<= 5.9g/dL
CarboxyHemoglobinALL< 2.0>= 20.1< 2.0>= 20.1%