Dear Collective We have a 14 day old infant with a Corrected Calcium of 3.14 mmol/L rising since first measurement at Day 8 which was 2.98 mmol/L PO4= 1.78 mmol/L PTH = 0.4 pmol/L Vit D = 84 nmol/L Creat < 18 mmol/L (The joys of having to put up with a Jaffe method) so I cant work out the Ca/Cre ratio to exclude FHH The infant is being breast fed and was term baby Looks normal, one doc thought about Williams syndrome There is a suspicion that mum may have been aggressively Vit D supplementing during pregnancy I do not have her levels yet but am chasing this Does anyone have any Vit D ranges for neonatal going into infant age related ranges 84 feels high to me? BW John ******************************************************************************************************************** This message may contain confidential information. If you are not the intended recipient please inform the sender that you have received the message in error before deleting it. Please do not disclose, copy or distribute information in this e-mail or take any action in reliance on its contents: to do so is strictly prohibited and may be unlawful. Thank you for your co-operation. NHSmail is the secure email and directory service available for all NHS staff in England and Scotland NHSmail is approved for exchanging patient data and other sensitive information with NHSmail and GSi recipients NHSmail provides an email address for your career in the NHS and can be accessed anywhere ******************************************************************************************************************** ------ACB discussion List Information-------- This is an open discussion list for the academic and clinical community working in clinical biochemistry. Please note, archived messages are public and can be viewed via the internet. Views expressed are those of the individual and they are responsible for all message content. ACB Web Site http://www.acb.org.uk Green Laboratories Work http://www.laboratorymedicine.nhs.uk List Archives http://www.jiscmail.ac.uk/lists/ACB-CLIN-CHEM-GEN.html List Instructions (How to leave etc.) http://www.jiscmail.ac.uk/