[Histonet] AAVLD Histo sample block & slide retention policy

[Cheri Miller]

 I disagree, the slide is what was used to make the diagnosis. The block may not be a good representation of the actual slide, it may could have been cut so that what is on the original slide is no longer in the block. In Surgical path we keep our slides indefinitely and our blocks for 10 years.

Cheryl A. Miller HT ASCP
Histology Supervisor
Physcians Laboratory, P.C.
402 493 0403
________________________________________
From: histonet-bounces <@t> lists.utsouthwestern.edu [histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Burton, Lynn [Lynn.Burton <@t> Illinois.gov]
Sent: Friday, September 11, 2009 10:35 AM
To: Jan Shivers; histonet
Subject: RE: [Histonet] AAVLD Histo sample block & slide retention policy

I read our SOP's on storage and referred to Dr. webb, our pathologist. His feeling was that they, AAVLD, leave that up to each lab depending on the state statutes regarding law suits. Our SOP says seven years on blocks and nine years on slides. I would agree with you that as long as you have blocks, the slides would be less important.

Lynn Burton
Lab Assoc. I
Animal Disease Lab
Galesburg, Il 61401

________________________________

From: histonet-bounces <@t> lists.utsouthwestern.edu on behalf of Jan Shivers
Sent: Fri 9/11/2009 9:21 AM
To: histonet
Subject: [Histonet] AAVLD Histo sample block & slide retention policy



For veterinary diagnostic lab personnel:

We're having a difference of opinion here over how long our Histo slides need to be retained.  It was my understanding that all paraffin blocks and stained slides need to be retained for 7 years.  Others here believe that as long as the blocks are retained, it's not necessary to retain the stained slides past a year or two.  Storage space might be a problem in the near future.

I've looked through the AAVLD Essential Requirements, but cannot find a definitive answer to this question.  Can someone help me out with the correct answer?  We're writing a sample storage SOP for each lab section today, and I'd like to get an answer as soon as possible.

Thanks in advance,
Jan Shivers
UMN VDL
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