Sample must be received on ice within 15 minutes of venesection. Contact referral lab for more information. Prior to beginning my post- op chemotherapy I attended the blood test/oncology clinic on Friday 18th Oct at Charing Cross Hospital. 020331 (21320) or bleep 1022. gareth.john4@nhs.net. Address for correspondence to Dr Nina Salooja, Department of Haematology, Charing Cross Hospital, Fulham Palace Road, London W6 8RF, UK. By continuing to browse the site you are agreeing to our use of cookies. If you have a new problem or new symptoms use eConsult first as it's available 24/7. Charing Cross Hospital Fulham Palace Road London W6 8BR. } POCT lead, Hammersmith Hospital (Blood Sciences) Mr Wilbert Gwangwadza. 0.5ml. Please be aware that if you are more than 10 minutes late for your appointment you will not be seen and will have to book a further appointment. Used in the investigation of disorders of gut hormone secretion. [CDATA[// >