pH, Blood, Fluid

CERNER / EPIC MNEMONIC: PH/A; F/PH
CPT CODE: 82800
DAYS PERFORMED: Specimen accepted daily, 24 hours
TURNAROUND TIME: Blood Gas Laboratory: 15 minutes; stat fluid: 1 hour
SPECIAL INSTRUCTIONS: Requisition must indicate source (ie, arterial, fluid type). Deliver specimen immediately to the lab on ice.
CONTAINER TYPE: Heparinized syringe, heparinized capillary tube; fluid: random urine container or red top tube
SPECIMEN REQUIREMENTS: Whole blood, arterial or venous; fluid
REJECTION CRITERIA: Clotted syringe, needle attached to the syringe, and air bubbles in the sample.
MINIMUM VOLUME: 0.3 ml, 2 mL fluid
REFERENCE RANGE: Arterial: 1 day to 1 month: none established, 1 month to adult: 7.35-7.45; venous: 1 day to 1 month: none established, 1 month to adult: 7.33-7.43; fluid: none established; must be interpreted with clinical findings
CRITICAL VALUES: See Table
TEST SYNONYM(S):Blood pH; Fluid pH