If one or more biomarkers could not be analysed from your sample, we are happy to offer you a free replacement test. Contact our team at support@homediq.com and we will arrange a replacement test kit for you immediately. Please include your order number and test code in your message. To ensure your second sample attempt goes smoothly, take a look at the following blood collection tips: https://www.homediq.com/en/blood-collection-tips/