Performing Lab
RCHSD Chemistry
Lab Test Days
As received
Standard TAT
15 min
Stat TAT
10 min
Collection Information
Specimen Required
0.4 ml blood
Collection Instructions
Use arterial blood samplers (such as Marquest Micro A.B.G. available from carts). There should be no or minimal exposure to atmospheric air during collection. Expel any air bubble before capping the syringe, place on ice and deliver to Lab immediately accompanied by a blood gas requisition. VENOUS BLOOD GAS INCLUDES PH, PCO2 AND PO2
Processing Information - Lab Use Only
Test Volume Required
0.4 ml heparinized blood (on ice)
Minimum Test Volume
0.3 ml heparinized blood (on ice) (Neonates)
Processing Instructions
Report p50 value under BG comment field. If there's no p50 value, report number under comment field: Unable to calculate p50 due to low or high s02 (as appropriate).
Revised
04-26-05