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HelpTest Code Carboxyhemoglobin Carboxyhemoglobin
Abbrev
COHB
Storage Temperature
R (2-8ºC)
ASTM/HL7/SDF 1
SQ=HFCOHB
EPIC=LAB56
Instrument/Location
RapidPoint 500
Specimen Requirements
Green top Lithium Heparin Tube.
Specimen Transport Temperature
On Ice or refrigerated.
Reference Values
0-2.9 %
Critical Values: >20%
Specimen stability/Retention time
Carboxyhgb samples are stable for up to 30 days if kept refrigerated and uncapped.