Reference Ranges
Clinical Reference
22.0 – 29.0 mmol/L
Optimal Range
24.0 – 28.0 mmol/L
Critical Range
< 15.0
/
> 40.0
mmol/L
Acid-base balance
Related Conditions
Metabolic Alkalosis
High
Metabolic Acidosis
Low
Food & Lifestyle Recommendations
🍎 Food
Increase fruits and vegetables; reduce high animal-protein load
Alkaline-forming foods raise bicarbonate
Evidence-Backed Supplements
When Low
-
Potassium citrate/bicarbonate can help mild metabolic acidosis
Potassium citrate 20–30 mEq/day With meals
Questions to Ask Your Doctor
- Does my anion gap suggest a specific type of acidosis? Narrows differential
Upload your blood test to see how your CO2 (Bicarbonate) compares to reference and optimal ranges.
Upload Blood Test