ISO 17025 Document Control: Requirements, Process, and Best Practices

ISO 17025 document control helps testing and calibration laboratories ensure that procedures, work instructions, technical references, and other management-system documents are reviewed, approved, updated, and available where needed.

Under ISO/IEC 17025:2017, Clause 8.3 addresses the control of management-system documents. Laboratories must also control records under Clause 8.4, which covers how records are identified, stored, protected, retrieved, retained, and disposed of. These requirements help laboratories maintain consistent operations and provide reliable evidence during internal audits and accreditation assessments.

The challenge is keeping documentation controlled as methods change, equipment is updated, personnel responsibilities shift, and laboratory workflows evolve. A document may be approved when created but still cause problems if an outdated version remains available at the point of use.

What Is ISO 17025 Document Control?

ISO 17025 document control is the process of managing documents that support a laboratory's management system and demonstrate conformity with applicable requirements.

It covers the document lifecycle, from creation and review through approval, distribution, revision, and withdrawal of obsolete versions. The objective is to ensure that personnel use appropriate, current documents when performing laboratory activities.

Examples of documents that may need control include:

• Standard operating procedures (SOPs)
• Test and calibration methods
• Work instructions and laboratory protocols
• Quality policies and management-system procedures
• Equipment operating instructions and manufacturer manuals
• Applicable standards, specifications, and customer requirements
• Forms, templates, and controlled reference materials

The exact document set depends on the laboratory's activities and management system.

Document Control vs. Record Control

Document control and record control are related, but they serve different purposes.

For example, a laboratory's approved sample-testing SOP is a controlled document. The completed test worksheet showing how a particular sample was processed is a record.

Both matter during an assessment. A current SOP does not, by itself, demonstrate that personnel followed it. The laboratory also needs appropriate records of the work performed.

ISO 17025 Document Control Requirements Under Clause 8.3

Clause 8.3 of ISO/IEC 17025:2017 requires laboratories to control internal and external documents relevant to fulfilling the standard. Clause 8.3.2 identifies six key controls.

1. Approve Documents Before Issue

Documents must be reviewed for adequacy and approved by authorized personnel before they are issued.

A laboratory should define who can draft, review, and approve each document type. Approval responsibilities may depend on whether the document concerns a testing method, equipment operation, quality procedure, or another activity.

Good practice: Maintain an approval record that identifies the document, approver, approval date, and applicable revision.

2. Review and Update Documents Periodically

Documents must be reviewed at appropriate intervals and updated when necessary.

Changes may be triggered by revised standards, new equipment, method changes, audit findings, corrective actions, or changes to laboratory processes.

Good practice: Assign document owners, define review intervals based on risk and operational needs, and flag overdue reviews.

3. Identify Changes and Current Revision Status

Personnel need to determine which version of a document is current and what has changed.

Revision identifiers, version numbers, effective dates, and change histories can help prevent confusion between approved and superseded documents.

Good practice: Use a consistent revision convention and maintain a history of significant changes and approvals.

4. Make Current Documents Available at Points of Use

Relevant versions must be available wherever they are needed. Where necessary, their distribution must also be controlled.

A procedure may be current in a central folder but still create a problem if an outdated printed copy remains at a testing station.

Good practice: Provide personnel with an accessible source for current documents and establish controls for distributed or printed copies.

5. Uniquely Identify Documents

Each controlled document should be identifiable without ambiguity.

A document identifier, title, revision, owner, and status can help staff distinguish a current procedure from a draft or an older version.

Good practice: Maintain a master document register with consistent naming and identification rules.

6. Prevent Unintended Use of Obsolete Documents

Superseded documents must not be used unintentionally. If obsolete versions are retained, they need suitable identification.

This is particularly important when a method or work instruction changes and personnel may still have access to older copies.

Good practice: Withdraw outdated copies from points of use, restrict access to superseded versions, and clearly label any retained historical copies.

How to Build an Effective ISO 17025 Document Control Process

Meeting document control requirements takes more than assigning version numbers. Laboratories need a repeatable process that makes ownership, approval, distribution, and change management clear.

Step 1: Create a Document Register

Start with an inventory of controlled internal and external documents relevant to laboratory activities.

For each document, consider tracking:

• Document ID and title
• Document category
• Owner or responsible department
• Current revision and status
• Approval and effective dates
• Next review date, where applicable
• Storage location or controlled access point

Include relevant external documents, such as test standards, customer specifications, and manufacturer instructions. Establish a process for checking whether the versions in use remain applicable.

Step 2: Define Review and Approval Responsibilities

Establish who can create, review, approve, issue, and revise documents.

The level of review should reflect the document's purpose and potential impact on laboratory work. A change to a testing method may require technical review, while a change to an administrative form may follow a different approval path.

Document these responsibilities and ensure personnel understand them.

Step 3: Establish a Controlled Revision Workflow

Use a defined process for requesting changes, reviewing revisions, obtaining approval, issuing new versions, and withdrawing obsolete copies.

A practical workflow may include:

1. A change request is submitted.
2. The document owner assesses the proposed change.
3. Relevant technical or quality personnel review it.
4. An authorized person approves the revision.
5. The updated document is issued with its revision status and effective date.
6. Relevant personnel are informed or trained when necessary.
7. Obsolete versions are withdrawn from use.

Keep evidence of the change and approval process in accordance with the laboratory's procedures.

Step 4: Control Access and Distribution

Personnel should have access to the documents relevant to their responsibilities without being encouraged to use uncontrolled copies.

For digital systems, consider role-based permissions, controlled publishing, and clear distinctions between drafts and approved versions. For printed documents, establish how copies are issued, updated, and withdrawn.

Step 5: Maintain Records Separately but Consistently

Document control determines which instructions are current. Record control preserves evidence of what actually happened.

Under Clause 8.4, laboratories need appropriate controls for record identification, storage, protection, backup, archiving, retrieval, retention, and disposal. Retention periods should reflect applicable requirements and contractual obligations.

Step 6: Verify the Process During Internal Audits

Internal audits can test whether document controls work in practice.

For example, an auditor can select a procedure used at a testing station and verify its revision status, approval, accessibility, and alignment with the laboratory's controlled register. The auditor can then review relevant records to determine whether work was documented appropriately.

Use findings to identify gaps and improve the process.

Common ISO 17025 Document Control Challenges and How Software Helps

Manual document control can work for a small laboratory, but it becomes harder to maintain as the number of documents, users, locations, and methods grows.

What to Look for in Document Control Software

Document control software can help laboratories standardize processes, but the software must support the controls the laboratory actually needs.

Evaluate whether a system supports:

• Document ownership and approval workflows
• Revision tracking and change history
• Controlled access to approved versions
• Identification of drafts and obsolete documents
• Review reminders and document registers
• Links between procedures, laboratory activities, and relevant records
• Search and retrieval of documentation for audits
• Appropriate permissions, backup, and retention controls

Software features alone do not establish conformity. The laboratory must configure, validate where applicable, and use its system in a way that meets its requirements.

How Scispot Supports Connected Laboratory Workflows

Scispot provides laboratory workflow and data-management capabilities that can help teams connect sample information, operational processes, and related records. Its existing ISO 17025 content also describes document-control and competency-tracking workflows.

For document control, assess how Scispot's configured capabilities align with your specific needs, including:

• Organizing laboratory information and related records
• Connecting documented procedures with relevant workflows
• Improving visibility into sample and testing activities
• Supporting traceability across laboratory processes

Confirm specific versioning, approval, access-control, and audit-trail requirements with the Scispot team before relying on the platform for a particular compliance use case.

Improve Document Control Across Your Laboratory

Effective ISO 17025 document control helps laboratories reduce version confusion, maintain consistent procedures, and make relevant evidence easier to retrieve. The goal is not simply to maintain a folder of approved documents. It is to ensure that the right instructions reach the right people and that laboratory work remains supported by appropriate records.

Start by reviewing your document register, clarifying approval responsibilities, and checking how revisions reach the point of use. Then evaluate whether digital workflows could improve visibility across your laboratory's processes and documentation.