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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
BLOOD GAS, CARBOXYHEMOGLOBIN
Test CodeLAB5807
Alias/See Also
CARBOXYHEMOGLOBIN study
CPT Codes
82375, 82376
Preferred Specimen
Arterial or Venous blood in Heparinized syringe
Minimum Volume
0.5 mL
Other Acceptable Specimens
Arterial or venous blood in heperaninzed green top tube
Instructions
1. Contact covering RT prior to obtaining sample from a patient to verify in EPIC pf request for COHb study. 2. Do not shake sample.
Transport Container
Heparinize syringe with lithium heparin. Green top heperanized tube
Transport Temperature
Sample does not require being placed on ice unless actual assay time of sample is greater than 20 minutes. Air bubbles must be expelled from sample syringe.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen must have patient label attached to sample/syringe
Setup Schedule
Set Up:Daily Report Available:<60 minutes
Reference Range
| COHb | % | <=3.0 |
Clinical Significance
Test is performed to assess exposure to lethal carbon monoxide gas which is typically odorless, colorless and tasteless. Normal levels may be as high as 9-10% in heavy smokers.
Performing Laboratory
GBMC Respiratory Therapy
