BICARBONATE METHODOLOGY Spectrophotometric PERFORMED Mon-Fri REPORTED Same day COLLECT One 6 mL SST. Centrifuge the tube within 30 minutes of collection. TRANSPORT Centrifuged SST tube. Do NOT remove cap. Requires 1 mL serum (Min: 0.3 mL). STABILITY Serum after centrifugation: Ambient - 24 hours Refrigerated - 7 days Frozen - Indefinite UNACCEPTABLE CONDITIONS N/A REMARKS Fasting specimen preferred. REFERENCE RANGE 20 - 30 mmol/L INTERPRETIVE DATA N/A CPT CODE(S) 82374 BILLING INFORMATION ICD-9 (Dx) CODE INFORMATION DATE UPDATED
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