| Laboratory: | Clinical Biochemistry | 
| Test Name: | 
			 CARBON DIOXIDE (iSTAT) - (B) 
	Test Code:
	TCOA
 
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| Clinical Information: | 
			
	 Only available in rural Manitoba.  
		For WRHA and Westman Lab see Carbon Dioxide, Total - (P) State whether the sample is venous or arterial.  | 
	
| Collection Devices: | 
			
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| Specimen Required: | 
			
	Skin puncture: lancet and capillary collection tube (plain, lithium heparin, or balanced heparin for electrolytes and blood gases) Venipuncture: lithium or sodium heparin collection tubes and disposable transfer device (e.g. 1cc syringe and a 16 to 20 gauge needle) Arterial puncture: Plain syringe or blood gas syringe with heparin and labeled for the assays performed  | 
	
| Referral: | 
			 Only available at sites which perform iStat testing onsite. 
	
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| Requisition: | |
| Reference Values: | 
				
	 Venous & Capillary:  24 - 29 mmol/L (mEq/L) 
			Arterial: 23 - 27 mmol/L (mEq/L) Note: Reference ranges are specific to the Abbott iStat (POC instrument)  | 
		
| Availability: | 
			
			
				 Turn around time (TAT):  < 60 minutes 
			
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| See Also: | |
| More Information: |