# Carbon Dioxide, Total

> This test measures the total amount of carbon dioxide in your blood, most of which is in the form of bicarbonate. It helps show how well your kidneys and lungs are working to maintain the proper balance of acids and bases in your body.

- Labcorp code: 001578
- Category: [Heart & Metabolic](https://picardo.health/labs/tests/heart-metabolic.md)
- Sample: blood
- Labcorp turnaround: within 1 day
- Collection: free at a Labcorp location, or $75.00 at home.
- Without a doctor: yes. People order it themselves, with no doctor's visit or referral.
- Price: shown on the review page its order link opens. Opening it orders nothing.
- Order link: https://app.picardo.health/labs/order?tests=001578&ref=assistant

## About ordering

People order for themselves, with no doctor's visit or referral, and results arrive in their Picardo account. Ordering is open to adults 18 and over in the US, except New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii and Maine. General health information, not medical advice.