Know Your Blood Parameters: Bicarbonate (HCO₃⁻)
- Summarised by TGHC Editorial Team
- Jul 17
- 1 min read
Updated: Aug 6
1. Parameter Name
Bicarbonate (HCO₃⁻)
2. Test Type
Blood (serum bicarbonate or CO₂ content)
3. Normal Range
22–29 mmol/L
4. High Levels Indicate
Metabolic alkalosis from vomiting, diuretics, or lung diseases.
5. Low Levels Indicate
Metabolic acidosis due to kidney disease, diarrhea, or diabetic ketoacidosis.
6. Why It's Tested
To assess acid-base (pH) balance in the body.
7. Associated Symptoms (if abnormal)
Confusion, fatigue, breathing issues, muscle twitching.
8. What To Do If Abnormal
Address underlying metabolic or respiratory disorder.
9. Common Conditions Related
COPD, kidney disease, metabolic disorders.
10. Nutrition or Lifestyle Connection
Hydration, breathing disorders, acid-forming diets.
11. References (APA Format) MedlinePlus. (2023). Bicarbonate test. Mayo Clinic. (2023). CO₂ (bicarbonate) blood test.
