Handling Nonconformities in the Laboratory

Laboratory quality team reviewing nonconformity reports on a computer

Last updated: 2025

What Is a Nonconformity?

A nonconformity is any instance where a process, result, document, or practice fails to meet a defined requirement. Requirements may come from CLIA regulations, accreditation standards, internal policies, or customer expectations.

Common Sources of Nonconformities

  • QC failures and unresolved instrument flags.
  • Incomplete or missing documentation.
  • Procedures not followed as written.
  • Incorrect or delayed result reporting.
  • Deficiencies cited during inspections or audits.

Steps for Handling Nonconformities

  1. Detection: Identify the issue through QC, audits, PT, complaints, or staff reports.
  2. Containment: Prevent further impact (e.g., hold results, re-run tests, notify clinicians).
  3. Investigation: Determine the root cause using structured methods (e.g., 5 Whys, fishbone diagrams).
  4. Corrective Action: Fix the immediate issue and prevent recurrence.
  5. Verification: Confirm that actions were effective.
  6. Documentation: Record all steps and decisions for QA and inspections.

Nonconformity Management in mylabcompliance.io

mylabcompliance.io helps laboratories manage nonconformities with:

  • Centralized incident and nonconformity reporting forms.
  • Built-in workflows for investigation, RCA, and corrective actions.
  • Assignment of owners and due dates for each action.
  • Dashboards to monitor open, overdue, and recurring nonconformities.

Related Improvement Topics