.....and does this issue constitute grounds for outright rejection of a sample received for analysis?
Peter
-----Original Message-----
From: Clinical biochemistry discussion list [mailto:[log in to unmask]] On Behalf Of Hallworth Mike (RLZ)
Sent: 29 November 2011 09:04
To: [log in to unmask]
Subject: Re: Out of date specimen collection containers
But what contents go out of date? And what is the effect on blood once
collected, especially for analytes that don't require anticoagulation?
Mike
-----Original Message-----
From: Clinical biochemistry discussion list
[mailto:[log in to unmask]] On Behalf Of COLLINS MICHAEL
(RM1) Norfolk and Norwich University Hospital
Sent: 28 November 2011 17:46
To: [log in to unmask]
Subject: Re: Out of date specimen collection containers
Sarstedt monovettes are not vacuum tubes so the expiry date is for tubes
and contents.
Mike Collins
Chief Biomedical Scientist
Biochemistry Automation
Norfolk @ Norwich University Hospital
http://www.nnuh.nhs.uk/
-----Original Message-----
From: Clinical biochemistry discussion list
[mailto:[log in to unmask]] On Behalf Of Lynch, Mark
Sent: 28 November 2011 17:22
To: [log in to unmask]
Subject: Re: Out of date specimen collection containers
We use Greiner tubes and I did enquire a while ago about the expiry
date.
I was informed that the tubes could be used through the end of the
indicated month and the date related not only to the vacuum but any
additive / anticoagulant in the tube as well.
Mark Lynch
-----Original Message-----
From: Clinical biochemistry discussion list
[mailto:[log in to unmask]]On Behalf Of Hallworth Mike
(RLZ)
Sent: 28 November 2011 16:50
To: [log in to unmask]
Subject: Re: Out of date specimen collection containers
Agree with David - the expiry date relates to vacuum and once the blood
is in the tube it's irrelevant.
We don't do any of this and I would be very concerned about the
additional burden. I strongly suspect there is no evidence base.
Mike
-----Original Message-----
From: Clinical biochemistry discussion list
[mailto:[log in to unmask]] On Behalf Of Kevin Spencer
Sent: 28 November 2011 15:26
To: [log in to unmask]
Subject: Out of date specimen collection containers
With apologies to those outside of the UK.
Recently (Septemebr 2011) the UK National Screening Committee posted a
Learning from Serious Incidents report on its web site
(http://www.screening.nhs.uk/si-learning) which suggests that All
Laboratories participating in the NHS Screening programmes are required
to check every sample arriving in the laboratory to ensure that the
primary blood or urine container is not out of manufacturer's expiry
date. It also suggests that this is part of CPA E5.2 standard practice.
Furthermore there is a suggestion that this should be part of routine
practice for any lab. In the era of Ward order and GP order comms many
labs receive samples with specimen ID and barcode labels covering up any
manufacturer's information. Also many labs that are secondary referal
centres like screenig labs - will not receive the primary container and
therefore cannot check tis aspect.
My question is a) to those screening centres (ie Down's screening labs,
HBO screening labs and Infectious Diseases Screening Labs) - how many
centres actually check for indate specimen containers on all samples
received. b) If you do not - how feasible or difficult would this be to
perform this.
For routine Biochemistry Services - how many labs have a process in
place to comply with in date specimen containers and do you check all
samples coming into the lab.
For any labs that have taken this one step further - what if anything
are the consequences for screening tests and for any other test of using
an out of date sample conainer.
I will post a summary of any response received.
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