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A laboratory specimen is sometimes a biological specimen of a medical patient's tissue, fluids, or other samples used for laboratory analysis to assist in differential diagnosis or staging of a disease process. These specimens are often the most reliable method of diagnosis, depending on the ailment.
For a laboratory, gaining and keeping the ISO 17025 accreditation status is of high commercial importance. For this reason, laboratory employees might treat EQA test items differently. [3] There are several ways in which PT samples may be given ‘special’ treatment.
Dried Tube Specimen (DTS) is slightly cumbersome as a QC material but it is very low-cost, stable over long periods and efficient, especially useful for resource-restricted settings in under-developed and developing countries. [2] DTS can be manufactured [3] in-house by a laboratory or Blood Bank for its use.
Gross examination of a kidney (right of image) with a renal oncocytoma (left of image).. Gross processing, "grossing" or "gross pathology" is the process by which pathology specimens undergo examination with the bare eye to obtain diagnostic information, as well as cutting and tissue sampling in order to prepare material for subsequent microscopic examination.
During the retention period, specimens are considered to be part of the medical record and must be kept under a CLIA accredited laboratory to ensure compliant handling and storage conditions. [25] [26] If a specimen is sent-out to a non-CLIA biorepository and recalled, the additional testing would not be in compliance. [25]
QNS is a clinical laboratory abbreviation for quantity not sufficient.. This indicates that either: There is not enough specimen for the lab tests ordered to be performed. [1]
A biorepository is a facility that collects, catalogs, and stores samples of biological material for laboratory research. Biorepositories collect and manage specimens from animals, plants, and other living organisms. Biorepositories store many different types of specimens, including samples of blood, urine, tissue, cells, DNA, RNA, and proteins ...
Biological specimens in an elementary school science lab. A biological specimen (also called a biospecimen) is a biological laboratory specimen held by a biorepository for research. Such a specimen would be taken by sampling so as to be representative of any other specimen taken from the source of the specimen. When biological specimens are ...