iSTAT Lot-to-lot

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Hello All,


     I was wonder what you all are doing for lot-to-lot comparison on new lots.  I currently run QC to verify that the cartridge have not been affected during shipment but that does not seem to be enough.  Do you have a spreadsheet?

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TJC here. We don’t do lot to lot on any istat cartridges. Does Abbott recommend it?

Jeremy Williford, PBT(ASCP)CM
Laboratory Services Coordinator, Clinical Laboratory Services

South Georgia Medical Center | 2501 N Patterson St. | Valdosta, GA 31602

229.433.4804 (office) | 229.433.4836 (fax)

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Samuel Williford
Laboratory Services Coordinator
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From: Brenda Arnett via POCT Listserv (Groupsite)
Sent: Monday, August 26, 2019 2:22:26 PM
To: Williford, Samuel 'Jeremy'
Subject: [POCT Listserv] iSTAT Lot-to-lot

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We use QC for lot to lot comparison. I use an excel spreadsheet with calculations and the acceptable CLIA limits for each analyte. We only use one cartridge so I just run all 3 levels on on each lot to show the lot to lot is acceptable. If in range I sign off; if anything is out of range I bring it to pathology for review.

Ruth Harmala

Ruth.harmala@mghs.org

Sent via Groupsite Mobile.

Hi Brenda,


Email me if you want my Validation/Lot to Lot Spread sheet at bpost@ghvhs.org

Attachment. Lot to Lot Template.xls


This is what we use. 2 levels of QC on old lot and new lot. Compare using Allowable Errors limits. Have never had one that hasn't passed.

I know this post was a from a few years ago, but hopefully you or someone else can help me! In this template, there are some Allowable Errors that have numerical values that when I compare to the TEa in CAP's Participant Summary, state 3SD. How do you calculate what the 3SD will be for the TEa? Thanks so much! :)

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Brenda Arnett
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