If the full blood count results are abnormal or there is a specific indication on the request form, a blood film will be stained and examined microscopically. Blood films are spread and stained by a UKAS accredited automated method however in the event of analyser failure blood smears will be manually spread and stained which is currently an unaccredited procedure. Blood films requiring clinical comment will be referred to a Haematology Consultant or Registrar. Delay or marked temperature changes in transit can affect morphology.
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