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Test requisition and authorizations: at least 2 years
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Test procedures: at least 2 years after a procedure is discontinued.
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Quality control records, including instrument printouts: at least 2 years.
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Records of test system performance specifications that the lab used to establish or verify performance specifications: for the period of time the lab uses the test system but no less than 2 years.
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Proficiency test records (including records of test handling, processing, examination, results reporting, and signed attestation statements): no less than 2 years.
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Laboratory quality systems assessment records: retain for 2 years.
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Test reports: Retain or be able to retrieve a copy of the original report (including final, preliminary, supplemental, or corrected reports) after the date of reporting as follows: Surgical Pathology Reports: 10 years; Cytology Reports: 10 years; Non-Forensic Autopsy Reports: 10 years; Forensic Autopsy Reports: Indefinitely; Cytogenetics Reports or diagnostic images (digitized, prints or negatives): 20 years.
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Cytology slides: 5 years; fine needle aspiration slides: 10 years from the exam date.
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Histopathology slides: 10 years from the exam date.
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Cytogenetics slides: permanently stained slides, 3 years; fluorochrome stained slides, at the discretion of the laboratory director.
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Surgical Pathology/Histopathology specimens: Wet tissue, 2 weeks after final report; paraffin blocks, 10 years.
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Non-Forensic Autopsy specimens: Wet tissue, 3 months after final report; paraffin blocks, 10 years.
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Forensic Autopsy specimens: Wet stock tissue, 1 year; Paraffin blocks and dried blood stain or frozen tissues for DNA Analysis, indefinitely; Body fluids and tissues for toxicology, 1 year.
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Cytogenetics specimens: Fixed cell pellet, 2 weeks after final report; wet specimen / tissue, until adequate metaphase cells are obtained.
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Flow Cytometry dot plots and histograms: 10 years.
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If the laboratory ceases operation, the lab must make provisions to ensure that all records and , as applicable, slides, blocks, and tissues are maintained and available for the minimum time frames specified in this section.