Bicarbonate (Total CO2)
Bicarbonate serves as the body's primary buffering agent to maintain blood pH within strict physiological limits.
Test your personal value
Enter the number from your lab report to instantly see how it compares to reference ranges.
Physiological Reference Ranges
The ranges below represent standard adult physiological values. Your laboratory's printed reference range always takes precedence.
22 – 29 mmol/L
22 – 29 mmol/L
22 – 29 mmol/L
What does a low result mean?
A mild reduction can occur after strenuous physical exercise or brief fasting periods.
What does a high result mean?
A slight rise is frequently noticed with minor digestive losses or shallow breathing.
Questions ready for your doctor
Bring these questions to your next consultation to discuss with your healthcare practitioner:
- Is my overall acid-base balance well maintained?
- Could recent exercise or sports explain this variation?
- Will this be checked as part of routine follow-up?
Do you have a full blood test report?
Upload your lab document (PDF or image) to get an instant, clear explanation for every biomarker at once.
Important information — Medical notice
ScanMyLab is for informational purposes only. It does not provide a diagnosis and never replaces the advice of your doctor or laboratory.