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Lab Test Dictionary

Blood Gas, Arterial


Arterial Blood Gas

Specimen Type

Whole Blood

Performing Lab

RCHSD Chemistry

Epic ID


Lab Test Days

As received

Standard TAT

15 min

Stat TAT

10 min

Collection Information

Specimen Required

0.4 ml blood

Container Type

Heparinized Syringe

Collection Instructions

**DO NOT SEND VIA TUBE SYSTEM** 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. Arterial blood gas includes PH, PO2, and PCO2 Arterial blood gas panel includes PH, PO2, PCO2, electrolytes, HGB and Ionized calcium. Requires 0.6 ml blood. MNE: BGAP

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)