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Critical Values

Diagnostic Services: Brampton Testing

Test Interpretation - Critical Values

Diagnostic Services considers certain test results to be “critical values”. The following findings will be reviewed by the Canadian Blood Services medical officer and communicated to the requesting facility or physician as soon as possible.

Reference Testing

  • Significant antibody(ies) has/have been identified and it may be difficult to obtain blood in the future.
  • Anti-K is detected in maternal sample.
  • Antibody titre ≥ 16 in maternal sample or significant increase in titre since last testing.