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Test Name:
Carbon Monoxide
- SBMF No:
23031 - Performance Lab Name:
Hospital Lab - Test Mnemonic:
CO - ABN:
Not required - CPT Code:
82375 - LOINC Code:
55782-7; 20563-3 - Test Includes:
% Carboxyhemoglobin
% Total Hemoglobin - Also Known As:
CO
Carboxyhemoglobin - Spec Type:
Whole blood - Spec Container:
Green top (lithium heparin) tube - Pref Vol:
2.0 mL - Min Vol:
0.3 mL - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Do not centrifuge
Do not remove plasma from cells - Spec Store Transport:
Refrigerated - Spec Stability:
24 hours refrigerated (2-8°C) - Spec Reject:
Not refrigerated
Plasma removed from red cells - Methodology:
CO-Oximetry - Use:
Determine the extent of carbon monoxide poisoning, toxicity; evaluate headache, dyspnea, coma, convulsions; work-up persons exposed to fires and smoke inhalation - Clinical Significance:
Determine the extent of carbon monoxide poisoning, toxicity; evaluate headache, dyspnea, coma, convulsions; work-up persons exposed to fires and smoke inhalation - Reference Range:
Nonsmokers: 0% to 3%
Moderate smokers: Less than or equal to 5%
Mild symptoms: 10% to 20%
Coma: 50% to 60% - Critical High Value:
20% - Day Run:
Sun-Sat (daily) - Time Run:
As received - Time Reported:
Routine: 1 hour
STAT: 20 minutes - Test Type:
GAS-LYTE
