[Histonet] RE: IHC and negative controls?

[Tom McNemar]

Thanks to everyone for the quick responses.

I am looking at ANP.22580 rev 12/12/2006 and it clearly talks about "a separate section of patient tissue..." but just a little further it talks about using internal negative controls ("The type of negative tissue control used (i.e., separate sections, internal controls or multitissue blocks) should be specified in the laboratory manual (refer to ANP.22250).")  I did not see anything useful in ANP.22250.

We are JCAHO accredited not CAP but I cannot find any JCAHO discussion on the subject.  Personally, I believe that we should run separate negative controls for each case.

Tom McNemar, HT(ASCP)
Histology Co-ordinator
Licking Memorial Health Systems
(740) 348-4163
(740) 348-4166
tmcnemar <@t> lmhealth.org
www.LMHealth.org


-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu [mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Tom McNemar
Sent: Thursday, February 16, 2012 10:27 AM
To: histonet <@t> lists.utsouthwestern.edu
Subject: [Histonet] IHC and negative controls?

Hi All,

We have one Ventana XT and often exceed the slide capacity.  Our pathologists no longer want us to run negatives and will use internal negatives instead.  Is this common practice?  Thanks.  I appreciate any feedback.

Tom McNemar, HT(ASCP)
Histology Co-ordinator
Licking Memorial Health Systems
(740) 348-4163
(740) 348-4166
tmcnemar <@t> lmhealth.org<mailto:tmcnemar <@t> lmhealth.org>
www.LMHealth.org<file:///C:\Documents%20and%20Settings\TMCNEMAR\Application%20Data\Microsoft\Signatures\www.LMHealth.org>

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This e-mail, including attachments, is intended for the sole use of the individual and/or entity to whom it is addressed, and contains information from Licking Memorial Health Systems which is confidential or privileged. If you are not the intended recipient, nor authorized to receive for the intended recipient, be aware that any disclosure, copying, distribution or use of the contents of this e-mail and attachments is prohibited. If you have received this in error, please advise the sender by reply e-mail and delete the message immediately. You may also contact the LMH Process Improvement Center at 740-348-4641. E-mail transmissions cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. Thank you.