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SLT_422 Compare Internal Methods

Third of 3 adaptations (uses) for this template allows for comparing different methods performing the same analyte.


Comparison between internal methods performing the same analyte is an every 6-month CLIA requirement.


Multi-Purpose Calculator:

  • Use for results comparisons between labs, within lab, and vs. known calibrators, or other such materials used for verifying calibration
  • Set allowable error limits using:
    1. percent difference,
    2. absolute difference, or
    3. Standard Deviation PT Error Limit

Results are compared vs. the defined error limits, and interpretation of "acceptable" or "unacceptable" given.