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Storage of specimens

Prior to transport to the laboratory, it may be necessary to temporarily store specimens. All specimens that are placed into Formalin should be kept at room temperature until transported to the laboratory. Specimens in Formalin should not be placed into the fridge as this will have a negative impact on fixation and therefore preservation of the tissue.

Specimen Storage
Formalin Room temperature
Dry unfixed Fridge
Gel transport medium Fridge


All dry specimens and specimens in gel transport medium ideally should be transported to the laboratory immediately. Where this is not possible, these specimens should be stored in the fridge temporarily and transport should be arranged as soon as possible.

(Last reviewed 19th July 2017)