Carboxyhemoglobin (CO-HB), Arterial

General Information

Method: Spectrophotometry: photodiode array
Reference Range: Units: %
Ref. Range Notes: CO-HB: Non-Smoker: <1.5%; Smoker: 1.5-5.0%; Heavy Smoker 5.0-9.0%

Specimen Type: Arterial Blood
Collection: Arterial blood collected into a balanced heparinized syringe such as the 2 mL Radiometer PicoTM or 3 mL Smiths Portex Pro-Vent syringes.

Also acceptable: 5 mL Arterial blood in UNOPENED GREEN TOP (including PST) up to 8 hours at 0 - 4°C.
Handling Instructions: Needles must be removed from syringes and replaced with caps before sending to the lab. No air bubbles. Transport to Lab Immediately.

Note: The Laboratory MUST assay specimen collected in a syringe within 30 minutes of blood collection.
Quantity: Requested: Full Syringe or GREEN TOP
Minimum: 0.5 mL Arterial whole blood

Receiving Instructions: Login as STAT and take to Blood Gas Bench Immediately

Lab Department

Chemistry, Whole Blood(CHW)

Frequency

Daily

Available STAT?

Yes

Performing Location(s)

HMC	Chemistry, Automated 206-520-4600 325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
UW-NW	Main Lab 206-668-1344 UW Medical Center – Northwest 1550 N 115th Street, A200 Seattle, WA 98133
UW-MT	Chemistry, Blood Gas 206-520-4600 Clinical Lab, Room NW220, University of Washington Medical Center, 1959 NE Pacific street, Seattle, WA 98195