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Lab Test Dictionary


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).