Carbon dioxide / bicarbonate — lab reference
Some search terms matchedSerum chemistry value. Do not substitute arterial blood-gas bicarbonate ranges.
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What’s searchable?Serum chemistry value. Do not substitute arterial blood-gas bicarbonate ranges.
Formula and albumin correction vary by laboratory. Confirm whether potassium is included.
Protein intake, hydration, catabolism, GI bleeding, and kidney function affect result.
Muscle mass, age, diet, medications, and assay matter. Review with eGFR, not alone.
G2 60-89; G3a 45-59; G3b 30-44; G4 15-29; G5 <15. G1/G2 alone do not establish CKD without kidney damage.
Calculated and context-dependent. Not a stand-alone diagnostic marker.
pH and specimen handling materially affect results.
Measured and calculated values may differ. Review osmolal gap when indicated.
Muscle, liver, hemolysis, alcohol, exercise, and medication context matter.
Assay-specific. Healthy-population upper limits may be lower than many commercial ranges.
Age, bone turnover, liver source, pregnancy, and isoenzymes affect interpretation.
Alcohol, medications, metabolic disease, and cholestasis may elevate.
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