tcoyle Posted September 12, 2014 Share Posted September 12, 2014 All,How would you handle this scenario? (think general lab requirements, not necessarily blood bank requirements)You have a reagent that is made with a powder. The powder expires on Sept. 30, however, when one makes up the solution; the solution itself has an expiration of 6 months.Should the solution stay at 6 months or should it be Sept 30?If you have any CAP/CLIA/NYS standards you could give me to justify your answer that would help too Link to comment Share on other sites More sharing options...
galvania Posted September 12, 2014 Share Posted September 12, 2014 For me a no brainer - September 30th or 6 months, whichever is the earliest. Not a question of CAP or anything else, just common senseSo, you make up the solution on January 1st - you can use it till July 1stYou make up the solution on May 1st - you can use it till September 30thYou make up the solution on July 1st - you can use it till September 30th Unless (which I doubt) it specifically says otherwise in the accompanying box insert (IFU) Malcolm Needs and kirkaw 2 Link to comment Share on other sites More sharing options...
David Saikin Posted September 12, 2014 Share Posted September 12, 2014 Ditto with Anna Malcolm Needs 1 Link to comment Share on other sites More sharing options...
tcoyle Posted September 12, 2014 Author Share Posted September 12, 2014 I agree. To me it is best lab practice to take the shorter time frame. Link to comment Share on other sites More sharing options...
tbostock Posted September 12, 2014 Share Posted September 12, 2014 same here Link to comment Share on other sites More sharing options...
pstruik Posted September 15, 2014 Share Posted September 15, 2014 (edited) Although the manufacturers may well have factored in the 6 months life of the solution when calculating the 'do not use after' date for the powder - I, although neither a manufacturer nor au fait with the regulations concerning such things, would have done. You have asked an excellent question and I, despite my point above, would, whenever there was any doubt, always choose the safer option. Edited September 15, 2014 by pstruik Link to comment Share on other sites More sharing options...
aafrin Posted September 15, 2014 Share Posted September 15, 2014 Same as Anna Link to comment Share on other sites More sharing options...
AMcCord Posted September 16, 2014 Share Posted September 16, 2014 Agree with Anna. Always whichever comes first unless manufacturer says otherwise. Link to comment Share on other sites More sharing options...
Eagle Eye Posted September 16, 2014 Share Posted September 16, 2014 always the shortest /expiration counts... Link to comment Share on other sites More sharing options...
Mabel Adams Posted September 17, 2014 Share Posted September 17, 2014 I suppose you could call the vendor but I am with everyone else who posted using the shorter date. Link to comment Share on other sites More sharing options...
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