What is ALCOA+?
ALCOA+ is a set of data integrity principles used to describe the characteristics of reliable, trustworthy information, particularly in pharmaceutical manufacturing and other GxP-regulated environments.
ALCOA stands for Attributable, Legible, Contemporaneous, Original and Accurate. The additional four principles are Complete, Consistent, Enduring and Available.
Together, these nine principles help organisations ensure that information accurately reflects the activities performed and remains suitable for review, investigation and regulatory inspection.
ALCOA+ applies to both paper-based and electronic information. It is particularly important in pharmaceutical manufacturing, where production records, quality checks, equipment inspections and other documentation may be used to make decisions affecting product quality and patient safety.
Rather than being a separate regulation, ALCOA+ provides a practical framework for understanding and applying data integrity expectations within Good Manufacturing Practice (GMP) and other relevant regulatory requirements.
What Does ALCOA+ Stand For?
The nine ALCOA+ principles describe how information should be created, maintained and made available throughout its lifecycle.
| Principle | Meaning |
|---|---|
| Attributable | It should be possible to identify who performed an activity or generated information, and when. |
| Legible | Information must remain readable and understandable throughout its required retention period. |
| Contemporaneous | Information should be recorded when the activity takes place, rather than reconstructed afterwards. |
| Original | Original data, or an appropriately verified and controlled copy, should be retained. |
| Accurate | Information must correctly represent the activity, observation or result recorded. |
| Complete | All required information must be retained, including relevant changes, repeat measurements and unsuccessful results. |
| Consistent | Information should follow a logical sequence, with appropriate dates, times and relationships between activities. |
| Enduring | Data must remain appropriately preserved throughout its required retention period. |
| Available | Information must be retrievable for review, investigation or inspection when needed. |
These principles work together. Information may be accurate but still fail to meet data integrity expectations if it cannot be attributed to an individual, was recorded retrospectively or cannot be retrieved when required.
Why is ALCOA+ Important?
ALCOA+ helps manufacturers assess whether the information used to demonstrate quality and compliance can be trusted.
Applying these principles helps organisations:
- Support GMP and GxP compliance by maintaining reliable documentation of regulated activities.
- Protect product quality through accurate and complete manufacturing information.
- Improve traceability by connecting activities, results and decisions to the relevant people, equipment and production batches.
- Reduce documentation errors by encouraging information to be captured at the time of activity.
- Support investigations by preserving reliable evidence of what happened.
- Strengthen audit readiness by ensuring information remains accessible and suitable for review.
- Improve operational decisions by providing a more dependable foundation for quality analysis and improvement.
Poor data integrity can make it difficult to establish whether manufacturing procedures were followed correctly, even when the underlying work was completed satisfactorily.
What Are Examples of ALCOA+ in Pharmaceutical Manufacturing?
ALCOA+ principles apply to everyday manufacturing activities, including production checks, equipment inspections, cleaning procedures and batch documentation.
For example, an operator completing an equipment inspection should record the results when the inspection takes place. The information should identify the operator, the equipment and the relevant inspection activity.
If a measurement falls outside an approved range, the original result should be retained and any subsequent actions appropriately documented.
Similarly, when an operator completes a cleaning procedure, the manufacturer may need evidence showing which equipment was cleaned, when the activity occurred and whether the required checks were completed.
These examples demonstrate why data integrity depends on how information is captured during work, not simply how it is stored afterwards.
What Is the Difference Between ALCOA and ALCOA+?
The original ALCOA framework contains five principles: Attributable, Legible, Contemporaneous, Original and Accurate.
ALCOA+ expands this framework by emphasising four additional characteristics: Complete, Consistent, Enduring and Available.
The additional principles reinforce the importance of maintaining trustworthy information throughout its lifecycle.
For example, a production record may have been completed accurately and at the correct time, but it must also remain complete, appropriately preserved and accessible for the required retention period.
Both terms are commonly encountered in pharmaceutical data integrity discussions, although ALCOA+ provides a more comprehensive way to describe the expected characteristics of reliable information.
How Does ALCOA+ Relate to GMP and GxP?
ALCOA+ is closely associated with Good Manufacturing Practice (GMP) and the wider Good Practice frameworks known as GxP.
GMP requires pharmaceutical manufacturers to maintain appropriate documentation demonstrating that medicines have been manufactured and controlled according to applicable quality requirements.
ALCOA+ helps explain the characteristics that make this documentation reliable.
For example, batch manufacturing records must provide an accurate account of relevant production activities, while equipment and cleaning records may be needed to demonstrate that required procedures were followed.
The principles also apply to electronic information, including data captured through manufacturing systems, laboratory applications and digital workflows.
However, applying ALCOA+ principles involves more than introducing electronic documentation. Organisations must establish appropriate procedures, training, access controls, system validation, audit trails and record retention arrangements based on the intended use and applicable requirements.
What Is the Difference Between ALCOA+ and Data Integrity?
Data integrity is the broader concept of maintaining accurate, complete, consistent and trustworthy information throughout its lifecycle.
ALCOA+ is a framework describing the characteristics that reliable information should demonstrate.
For example, a pharmaceutical manufacturer may establish a data integrity programme covering governance, procedures, staff training, electronic systems and quality oversight.
ALCOA+ provides a practical way to assess whether the information created and maintained through those processes meets expected standards.
The two concepts are closely connected, but ALCOA+ is not a substitute for a comprehensive data integrity strategy.
How Can Digital Work Instructions Support ALCOA+?
Digital work instructions can support several ALCOA+ principles by helping workers capture information during the activity itself.
For example, a digital inspection workflow may require an operator to enter a measurement, confirm a completed check or capture photographic evidence before proceeding.
Depending on the system’s capabilities and configuration, the resulting information may be associated with user identities, timestamps and relevant job information.
This can help make information more attributable, contemporaneous and consistent, while reducing reliance on handwritten notes and retrospective reporting.
Digital operational workflows can also help standardise the information collected across different workers, shifts and locations.
However, digital work instructions do not automatically satisfy every ALCOA+ principle. Data integrity also depends on how information is controlled, protected, reviewed, retained and made available throughout its lifecycle.
How WorkfloPlus Supports ALCOA+ Principles
WorkfloPlus helps manufacturers capture structured information and evidence while operational activities are being completed.
Digital work instructions can guide workers through approved procedures and request relevant information at defined stages of a job.
This may include measurements, photographs, signatures, timestamps and confirmations associated with equipment inspections, cleaning activities, maintenance and production checks.
Completed tasks generate digital job reports, providing a structured account of the activities performed and the information collected.
Capturing information at the point of execution can help reduce retrospective documentation and support more consistent evidence capture.
WorkfloPlus also supports issue reporting, allowing unexpected findings to be documented during operational activities.
These capabilities can contribute to data integrity practices, particularly where information needs to be associated with specific tasks, equipment or production activities.
Related Terms
- Data Integrity
- GxP (Good Practice)
- Good Manufacturing Practice (GMP)
- Batch Traceability
- Quality Control
- Corrective and Preventive Action (CAPA)
Learn More
- Pharmaceutical Manufacturing – Explore how WorkfloPlus supports controlled procedures, inspections and evidence capture in pharmaceutical operations.
- Compliance & Proof of Work – Discover how capturing evidence during work helps strengthen accountability and audit readiness.
- Digital Inspections – Learn how guided inspections support consistent information capture and documented quality checks.
- AI in Action – Free eBook – Explore why reliable operational data is essential when introducing digitalisation and AI into industrial processes.