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  2. Quality Control FAQs
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Quality Control FAQs

Independent Quality Controls
  • What is the difference between a calibrator and a control?
  • Are there any specific guidelines or recommendations regarding the use of independent controls?
  • What are some other benefits of using independent controls?
  • What is an independent control? 
  • Are there risks associated with only using manufacturer or in kit controls?
  • Why should I use an independent quality control instead of patient sample pools to monitor assay performance?
  • See all 8 articles
QC storage & handling
  • What are the sources of errors in storage and handling?
  • What are the acceptable limits for room, refrigerator and freezer temperature?
  • What should be used to transfer or aliquot control product?
  • How long should frozen liquid controls sit at room temperature in order to thaw?
  • How long should the reconstituted control remain at room temperature prior to use?
  • What type of water should be used to reconstitute lyophilized control products?
  • See all 8 articles
Infectious Disease Controls
  • I need a QC suggestion for Infectious Disease testing in my lab. What do I need?
Serum Indices
  • What instruments are compatible with Liquichek Serum Indices?
  • Pre analytical testing of the instrument to detect HIL interferences is not mandated by regulations, so what is the value in performing these tests?
  • What if I don't have time to track performance for each of my instruments for HIL detection?
  • I manually inspect for interferences in my patient sample. Why should I use Liquichek Serum Indices?
  • Can I use Bio-Rad controls with Bio-Rad instruments and methods?
Drugs of Abuse Controls
  • How can I report my qualitative and quantitative QC results to Unity?
  • What is a cut-off level?
  • I need a QC suggestion for DOA testing in my lab. What do I need to determine which product will suit my needs?
Urinalysis Controls
  • How much speed and time is required to centrifuge urine controls for microscopic?
  • How much volume of urine controls (Urinalysis, qUAntify Plus) is required to test for chemical and microscopic?
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