QA Flashcards
Pre-analytical includes? (3)
Specimen Collection
Specimen Receipt / Rejection
Specimen Processing
Specimen Collection includes (3)
o Appropriate specimen container
o Labeling
o Specimentypeandvolume
Specimen Receipt / Rejection
Unlabeled/mislabeled containers
Request form incomplete
Nonmatching labels and requisition forms
Visibly contaminated specimens (feces/toilet paper) Containers with contaminated exteriors Inappropriate specimen type
Specimens QNS
Improperly transported specimens Incorrect urine preservatives
Specimen Processing
For timed specimens: (3)
Immediate processing (within 2hrs for routine UA)
o Adequate mixing
o Volume measurement
o Aliquoting
Analytical includes (2)
Reagents
Equipments
__________ water for reagent preparation
Deionized
Reagent strips:
o Store in _______ container with ________ at _________
o Check with positive and negative control every _______
Reagent strips:
o Store in opaque container with dessicant at room temperature
o Check with positive and negative control every 24 hours
CENTRIFUGES frequency of maintenance
Daily or weekly Every 3 months
Microscope frequency of maintenance
Daily
Annually
Reagent strip readers frequency of maintenance
Daily
Daily or Periodically
Refractometers frequency of maintenance
Every Shift or Daily
Volume of urine examined
10, 12 or 15 mL
Speed of Centrifugation
400 g (relative centrifugal force)
Length of Centrifugation
5 minutes
Sediment Preparation
0.5 or 1mL left after decantation
