Leica biosystems received a complaint regarding sub-optimal tissue processing from one (1) protocol, which required re-processing of the tissue samples involved.The complainant advised that the affected tissue samples smeled strongly of formalin; formalin had leaked into the wax and that the wax was contaminated.The leica field service engineer (fse) who attended the lab on (b)(6) 2014 confirmed contamination of the wax baths with "water".On (b)(4) 2014, leica biosystems received info that all tissue samples exhibiting sub-optimal processing were diagnosable.Investigation of this complaint by leica biosystems is in progress.
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