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CARBON DIOXIDE (TOTAL), Serum (087-0462) Synonyms: CO2, TCO2, ECO2 CPT 4 Code: 82374 Test Order Mnemonic: TCO2 Lab: Clinical Chemistry Request Form: Routine Chemistry Form 1 Collection: Routine venipuncture Storage Instructions: Centrifuge the specimen to separate serum from red cells within 2 hours of collection. Store refrigerated at 2 - 8°C. Causes for Rejection: Gross hemolysis Availability: Samples are received 24 hrs per day at Sample Management, Room 5.136 McCullough. Turnaround Time: Routine: 4 hours; STAT: 1 hour. Specimen: Blood Volume: 7 mL blood Minimum Volume: 0.5 mL serum Container: SST (gel barrier) or red-topped tube Reference Ranges:
Newborn - 15 days: 13-22 mmol/L Significant Values: <10 mmol/L or > 40 mmol/L Test Method: Enzymatic Multi Point Rate Reviewed/revised April 2007 by P. Harris |
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