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Test Code ISTATEG7A Point of Care, EG7, Arterial

Methodology

i-STAT

Performing Laboratory

Sky Lakes Medical Center-Point of Care

Specimen Requirements

Specimen Type: Arterial bloodContainer/Tube:Plain syringe or blood gas syringe with heparin and labeled for the assays performed or with the least amount of heparin to prevent clotting (10 U heparin/mL of blood)Specimen Volume:Full syringe

Specimen Transport Temperature

Ambient

Reference Values

pH: 7.35-7.45>pCO2: 35-45 mmHg pO2: 75-100 mmHgSodium: 135.0-145.0 mmol/LPotassium: 3.5-5.1 mmol/LIonized calcium: 4.5-5.3 mg/dLTCO2:22.0-32.0 mmol/LHematocrit: 38.0-51.0%CalculatedHCO3: 22-26 mM/LBase excess: -4 to 4 meq/LHemoglobin: 12.0-17.0 g/dL

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82330-Ionized calcium82803-pH, PCO2, PO2, TCO2, HCO3, BEecf, sO284132-Potassium84295-Sodium85014-Hematocrit