Skip to main content
BloodTypeCalc.com

Contact

Contact BloodTypeCalc.com to report a calculator problem, suggest a correction, ask a general question, or submit a privacy request.

Last updated

Send a message

Use this form to contact the site operator. We read every message and aim to reply within a few working days.

Please do not include blood-test results, medical records, or other sensitive health information. BloodTypeCalc.com cannot provide personal medical advice.

10–3,000 characters. Do not include sensitive health information.

Reporting an error

If you spot a factual error or a calculator result that looks wrong, please include the page URL, what you expected, and any source that supports the correction. Corrections are handled under our editorial policy.

Medical questions

We cannot answer personal medical questions or interpret your test results. Please speak with your doctor, midwife or a blood service professional. See the medical disclaimer.

Privacy

Form submissions are used to respond to your inquiry, handle corrections, or address legal and privacy requests. Please do not include sensitive health information. Read our privacy policy.