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Test Code ISTATEG7V Point of Care, EG7, Venous

Methodology

i-STAT

Performing Laboratory

Sky Lakes Medical Center-Point of Care

Specimen Requirements

Specimen Type: Venous or arterial whole bloodContainer/Tube:Green-top (lithium or sodium heparin) tube-Syringe is also acceptable.Specimen Volume:Full tubeCollection Instructions: 1. Fill tube to capacity.2. Perform testing immediately if collected in a syringe.

Specimen Transport Temperature

Ambient

Reference Values

pH: 7.32-7.43>pCO2:38-50 mmHg pO2:35-40 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