Tube type Cap Colour Ring Colour Tube Contents
6 mL sodium heparin trace elements tube Dark blue Black Sodium heparin

Blue Black trace element tube


Label the specimen with:

  • Surname
  • Forename
  • Date of birth (not age) OR unique identity number (MRN number, NHS number)

For further information, see: Pathology policy for specimen and request form labelling for pathology users