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Expiration Time of Thawed Plasma


Bill Sinn

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Oh, Most Knowledgable Blood Bankers....

Is there a reference for the answer to this question?

A unit of frozen plasma (FFP or FP24HR) expires at midnight. It is thawed at 2200 hours on the day it would expire. Usually, thawed FFP or FP24 is good for 24 hours from the time of thawing.

Is the expiration of the thawed product 2400 (midnight) or 2200, the next day (24 hours)?

This is NOT a 5 day plasma question ;-).

Thanks in advance, Bill

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Oh, Most Knowledgable Blood Bankers....

Is there a reference for the answer to this question?

A unit of frozen plasma (FFP or FP24HR) expires at midnight. It is thawed at 2200 hours on the day it would expire. Usually, thawed FFP or FP24 is good for 24 hours from the time of thawing.

Is the expiration of the thawed product 2400 (midnight) or 2200, the next day (24 hours)?

This is NOT a 5 day plasma question ;-).

Thanks in advance, Bill

For a reference see 21CFR610.53(

B).

"When the dating period begins. The dating period for a product shall begin on the date of manufacture, as prescribed in § 610.50. The dating period for a combination of two or more products shall be no longer than the dating period of the component with the shortest dating period."

So the expiration date of the thawed product cannot be longer than the expiration date of the frozen product. In the example you provided, the thawed product would expire in 2 hours (2400) when the frozen product would have expired.

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Expiry date and time comes before the allowed 24 hours of storage for FFP in ths case so: at midnight the same day it is no longer considered FFP (after thawing).

If you keep it beyond expiry it is as per AABB standards applicable to liquid plasma:

"Liquid Plasma. Store at 1-6 C. Expiration: 5 days after expiration of Whole Blood. 21 CFR 610.53©applies"

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  • 8 months later...

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