3 mL sodium citrate tube
|Tube type||Cap Colour||Ring Colour||Tube Contents|
|3 mL sodium citrate tube||Blue||Black||Buffered sodium citrate|
Must be filled to the level of the arrow. Short samples give invalid results.
Label the specimen with:
- 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
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