Laboratory root cause analysis process flowchart
An editable laboratory root cause analysis workflow for defining a problem, mapping contributing factors, testing evidence, developing corrective options and approving an action handoff.
What the laboratory root cause analysis process is
A useful root cause analysis begins with a problem statement that the evidence can support. This template sends an unclear statement back to fact collection before subject matter experts map events and contributing factors.
The root-cause decision has a genuine rework path: unsupported hypotheses return to testing or additional expertise. Once a cause is supported, the team evaluates whether the proposed action addresses both the cause and the relevant risk before Quality approves the handoff.
Tailor analysis tools, evidence expectations, roles and action governance to the problem being examined. The chart does not claim that a single method or workshop format fits every laboratory issue.
What this flowchart covers
In this template
- A facilitator defines the problem and returns unsupported statements for clarification.
- Subject matter experts map the event sequence and contributing factors before selecting a cause.
- Unsupported hypotheses loop through further testing or expert input rather than becoming conclusions.
- Quality reviews whether the proposed action addresses the supported cause and risk.
When to use this template
- You need to analyze a recurring, significant or difficult laboratory problem before choosing corrective action.
- Teams tend to record a likely cause without showing the evidence or alternatives they considered.
- You want an editable facilitation map that connects analysis output to an accountable action process.
How it works
Bound the problem
State the event, affected work, known period and evidence sources that make up the problem. Avoid a broad statement that cannot be tested.
Choose analysis tools
Add the causal mapping, data review, interviews or technical tests appropriate to the issue, along with the experts who can interpret them.
Define action handoff
Connect the approved action box to the CAPA, deviation or other local process that owns implementation and effectiveness review.
Frequently asked questions
What does a laboratory root cause analysis process cover?
It covers defining a supported problem, mapping events and factors, testing cause hypotheses, developing corrective options, reviewing whether actions address the cause and recording an approved handoff.
Why include a route for unsupported hypotheses?
A plausible explanation is not necessarily a supported cause. The rework route preserves uncertainty, directs the team to more evidence or expertise and reduces pressure to close the analysis prematurely.
Is root cause analysis the same as CAPA?
Root cause analysis examines why a problem occurred. CAPA or another action process may use that analysis to plan, implement and evaluate follow-up; the two processes should remain linked but distinct.