Document Control
Quick facts
| Category | Documentation and records governance |
|---|---|
| Used by | Manufacturing, medical devices, pharmaceuticals, aerospace, automotive and other regulated industries |
| Also called | Doc Control, DCC (Document Control Coordinator) |
| Related standards | ISO 9001, ISO 13485, AS9100, IATF 16949, FDA 21 CFR Part 820, GMP |
| Related processes | Change control, training records, revision history, controlled distribution, obsolete document management, electronic signatures |
| Semantic match | document control process, document management system, controlled documents, revision control, document approval workflow |
What is Document Control?
Document control, sometimes called document management, is the discipline of keeping an organization's quality documentation accurate, current and accessible only in its approved form. It applies to quality manuals, procedures, work instructions, forms, drawings, specifications and any other documented information used to run the business consistently.
A document is considered "controlled" once it is placed under a formal process for identification, review, approval, distribution and revision. Each controlled document carries a title, a unique number, a revision level, an owner and a date, so that anyone using it can confirm they are looking at the current approved version rather than a stray copy.
Document control is distinct from simply storing files. Storage keeps documents somewhere; document control ensures the right version reaches the right people, that changes go through review and approval, and that obsolete versions are removed from active use so they cannot be mistaken for current instructions.
Why is Document Control important?
Outdated or uncontrolled documents are one of the most common causes of nonconformances, audit findings and quality escapes. If an employee follows a superseded work instruction or an unapproved draft, the resulting product or service may not meet requirements even though the person followed "a" procedure.
Strong document control creates a single source of truth. It reduces the risk of conflicting instructions across shifts, departments or sites, and it gives auditors and regulators confidence that the organization can demonstrate what procedure was in effect at any point in time.
Document control also supports training, change management and traceability. When a document changes, linked training assignments, related procedures and downstream records can be identified and updated, keeping the entire quality system aligned.
How does Document Control work?
A typical document control process includes:
- Identification. Assign a unique document number, title and initial revision level.
- Drafting and review. Route the document to subject-matter reviewers before release.
- Approval. Obtain sign-off from authorized approvers, often with electronic signatures.
- Distribution. Publish the approved version and make it accessible to the people who need it.
- Revision control. Track every change with a new revision level, reason for change and approval history.
- Obsolescence. Remove or clearly mark superseded versions so they cannot be used by mistake.
- Periodic review. Reassess documents on a defined schedule to confirm they remain accurate and relevant.
- Retention and archiving. Retain historical revisions according to a defined retention schedule for traceability.
Document Control vs. Change Control
| Comparison | Document Control | Change Control |
|---|---|---|
| Focus | Managing the lifecycle of a document | Managing changes to processes, products or systems |
| Trigger | A document needs to be created, revised or retired | A proposed change to a process, design or specification |
| Output | An approved, version-controlled document | An approved and implemented change, which may update one or more documents |
| Relationship | Often the mechanism used to formalize a change | Frequently results in a document control action |
Real-world examples of Document Control
A medical device manufacturer updates a work instruction after a process change. Document control routes the revised instruction for review and electronic approval, notifies affected employees, and archives the prior revision so it can no longer be selected on the shop floor.
An aerospace supplier undergoing an AS9100 audit is asked to prove which revision of a inspection procedure was active on a specific production date. Because the document control system retains a full approval and revision history, the company produces the record within minutes.
A food manufacturer discovers that a printed copy of an old cleaning procedure is still posted in a production area. Document control practices, including controlled distribution and periodic reviews of posted documents, are used to identify and correct the gap.
Regulations and standards related to Document Control
ISO 9001 addresses document control under Clause 7.5, Control of Documented Information, which requires that documents be identified, reviewed, approved, protected, and made available where needed, and that obsolete documents be prevented from unintended use.
ISO 13485 contains similar requirements for medical device quality systems, with added emphasis on maintaining a master list or equivalent tracking of controlled documents. FDA 21 CFR Part 820 requires document control procedures for device manufacturers, including review and approval by designated individuals before release.
AS9100 and IATF 16949 build on the ISO 9001 document control requirements with additional expectations for configuration management and traceability common to aerospace and automotive supply chains.
Required by
How QT9 helps with Document Control
QT9 QMS document control capabilities
- Centralize all controlled documents in one secure, searchable location for authorized users.
- Automate review and approval routing with electronic signatures and email alerts.
- Maintain complete revision history so every prior approved version remains traceable.
- Automatically archive obsolete documents to prevent unintended use of outdated versions.
- Link documents to training assignments so employees are notified when a procedure changes.
- Provide instant access to the latest approved documents from any department or location.
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Common mistakes with Document Control
Common document control mistakes include allowing printed or downloaded copies to circulate without a way to confirm they are current, and skipping formal approval steps for "minor" edits that later prove significant.
Other problems include failing to update a master document list, leaving revision history incomplete, and not linking document changes to training so employees keep working from outdated instructions. Organizations should also avoid ambiguous ownership, where no single person is accountable for keeping a document current.
Frequently asked questions
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