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Test Code:
BICARB

Order Name:
Bicarbonate

 
Useful For:
Diagnosis and treatment of acid-base imbalance in respiratory and metabolic systems.
 
Methodology:
PEP Carboxylase
 
AliasesName:
Carbon Dioxide
CO2
HCO3
 
 
 
Test Code:
BICARB

Order Name:
Bicarbonate

 
Collection Specimen Or Container:
Blood/ Plain blood (Red top) 6 mL, 1 tube
 
Specimen Testing Type:
Serum, minimum volume 0.5 mL
 
Sub Mission Container:
Plastic vial
 
Rejection Criteria:
Hemolysis: 4+ reject
 
 
Specimen Stabillity:
Specimen Type Temperature Time
Serum Refrigerated: 2oC to 8oC 7 days
Frozen: -20oC 14 days
 
 
 
Test Code:
BICARB

Order Name:
Bicarbonate

 
Method detail:
PEP Carboxylase
 
Schedule:
Tested daily (24 hours)
 
Turnaround Time:
Collected specimen to report within 1.5 hours (90 mins)
 
Performing Location:
Chemistry, Laboratory Department Tel. 13224
 
Specimen Retention Time:
5 days
 
 
 
Test Code:
BICARB

Order Name:
Bicarbonate

 
 
Clinical Information:
The determination of serum carbon dioxide total (CO2) in conjunction with other clinical and laboratory information is necessary for the evaluation of acid-base status. A high CO2 content may be observed in compensated respiratory acidosis and metabolic alkalosis. A low CO2 content may be observed in compensated respiratory alkalosis and metabolic acidosis. Additional laboratory determinations will permit differentiation between metabolic and respiratory conditions.
 
Reference Value:
Age Reference Value Unit
Newborn 13 - 22 mmol/L
Premature, 1 week 14 - 27 mmol/L
Infant 20 - 28 mmol/L
Child 20 - 28 mmol/L
Adult 22 - 29 mmol/L
Over 60 years 23 - 31 mmol/L

 
 
Interpretation:
Alterations of bicarbonate (HCO3) and carbon dioxide (CO2) dissolved in plasma are characteristic of acid-base imbalance. The nature of the imbalance cannot, however, be inferred from the bicarbonate value itself, and the determination of bicarbonate is rarely ordered alone. Its value has significance in the context of other electrolytes determined with it and in screening for electrolyte imbalance.
 
Clinical Reference:
1. Manufacturer’s reagent package insert, Architect® Carbon Dioxide,
    ABBOTT Laboratories, Abbot Park IL 60064 USA, December 2012.
2. http://www.mayomedicallaboratories.com (Retrieved: 01 Jan 2019)