DAILY LABORATORY QUALITY CONTROL

Effective Date: 
Thu, 09/01/2005
Reviewed: 
Mon, 04/28/2014

1. Record temperatures on log sheet:
Thermometers NIST calibrated :
Refrigerator: + 2-6 C
Freezer: -20-30 C
Incubator: + 34-38 C
Room: + 18-28 C
Waterbath: + 55-58 C
2. Quality control specimens performed by Clinical Lab Scientist
Hematology:

  • Coulter 4C- ES Controls  Level 1, 2, and 3
  • Record results on IQAP website

Urinalysis:

  • Kova Level I and II commercial controls: perform Chemstrip 10MD dipstick analysis using Urisys 1100 analyzer
  • Record results on appropriate log sheet

Microbiology:

  • Antibiotic sensitivities weekly with patient specimens using E. coli.
  • Appropriate control organisms for positive/negative testing weekly for bacitracin (Taxo A) and novobiocin disks.
  • Appropriate control organisms for positive/negative testing daily for catalase, coagulase, indole, oxidase, and gram stain in conjunction with patient specimens
  • Record results on appropriate log sheets

Pregnancy Testing:

  • Urine: run positive and negative controls when using new kit; observe positive and negative internal controls
  • Serum: run positive and negative controls daily with patient specimens, observe positive and negative internal controls;
  • Record results on appropriate log sheet

Mononucleosis Testing:

  • Whole blood: run positive and negative controls when using new kit, observe positive and negative internal controls
  • Record results on appropriate log sheet

Rapid Strep Testing:

  • Positive and negative controls on each new kit, observe positive and negative internal controls
  • Record results on appropriate log sheet.

Occult Blood Testing:

  • Positive and negative controls run daily with each patient (controls located on each test card).
  • Record results on appropriate log sheet.

Whole Blood Glucose Testing:

  • Check stick and normal control once per week.
  • Record results on appropriate log sheet.

Rapid Flu Testing:

  • Positive and negative controls on each new kit
  • Record results on appropriate log sheet.

D-Dimer Testing:

  • Positive and negative controls on each new kit, observe positive and negative internal controls
  • Record results on appropriate log sheet.

Chemistry:

  • Nova controls Level 1 and 2 monthly and/or new lot of reagent.
  • Record control and IQC results on appropriate logs

Expiration dates are checked continuously and expected expirations are noted on the Laboratory calendar to alert staff.  General expiration date checking throughout the Laboratory is done at the end of each quarter.