QUALITY CONTROL AND QUALITY ASSURANCE phases important for viva or interview

QUALITY CONTROL :- These are three types

1) Preanalytical Phase :-

• Requisition appropriately filled out

• Patient preparation

• Patient identification

• Sample identification; three identifiers must be used

• Correct sample collection techniques; venipuncture performed correctly, etc.

• Correct storage and transportation of sample

• Correct storage of testing kits and quality control materials

• Appropriate training of personnel

• Preparation of standard operating procedures and policy

• manuals for reference

Retention of current package inserts for correct instructions.

2) Analytical Phase:-

• Valid test kit; not expired and stored correctly

• Instrument properly maintained and calibrated

• Proper mixing/preparation of quality control samples

• Proper mixing/preparation of patient samples Following manufacturer instructions exactly as written for CLIA-waived tests

• Proper documentation of quality control results; verification of acceptable QC values before patient sample is analyzed

• Order/perform confirmatory tests as recommended by manufacturer

3) Postanalytical Phase:-

• Appropriate documentation of patient results

• Appropriate units reported with test results

Results transmitted to health-care provider in timely manner

• All critical results called immediately

Include correct reference ranges with laboratory results

• Report all test results to authorities as required by law

•Properly dispose of used testing materials