[Histonet] Unstained slides - how long are they good for?

Jamie Watson jamie at watson-home.com
Thu Aug 16 20:12:24 CDT 2018

It depends on the stability of the protein and fixation, some are stable 
for a week some for years. We use 6 months as a standard.


On August 16, 2018 4:59:34 PM P Sicurello via Histonet 
<histonet at lists.utsouthwestern.edu> wrote:

> Hello My Fellow Histologists,
> Happy Friday Eve.
> The question has come up......  How long are *unstained* slides good for?
> Not for H&E but tests like IHC and molecular testing.  These slides have
> been cut, stored at room temperature, not sealed in anyway, and kept in a
> cardboard box.
> Please let me know what your opinions are and what your retention policy is
> concerning *unstained* slides.
> Thanks oodles.
> Sincerely,
> Paula Sicurello, HTL (ASCP)CM
> Histotechnology Specialist
> UC San Diego Health
> 200 Arbor Drive
> San Diego, CA 92103
> (P): 619-543-2872
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