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Validation of a Computerized Monitoring System

When the temperature log is kept electronically, the evidence is the system’s data — and therefore the system itself. Validation confirms that it measures, stores, displays and protects data exactly as specified, and continues to do so after any change.

Where the requirement comes from

  • Annex 11 to the EAEU GMP Rules (EEC Council Decision No. 77) is the main document on computerized systems: it requires validation, risk management, an audit trail, access control and data protection throughout the entire retention period.
  • The EAEU GDP Rules (EEC Council Decision No. 80) require that, before a computerized system is put into use, validation or verification demonstrate that it can achieve the intended results accurately, consistently and reproducibly.
  • The storage rules of Order No. 260n permit an electronic log with archiving (clause 18) and require validation of any computerized system that replaces physical segregation of zones (clause 10).
  • SanPiN 3.3686-21 requires, for the cold chain of immunobiological medicinal products, that the design of the data logger prevent data falsification and intermediate data loss, and that the data be kept for five years.
  • Roszdravnadzor inspection checklists (Order No. 5803) include a set of questions on computerized systems.
  • For reference: the GAMP 5 guide is not a regulation but a methodology that is convenient to rely on when planning the work; the US rule 21 CFR Part 11 does not apply in Russia and is taken into account only for export supplies.

GAMP 5 software categories

Category 2 is not used in GAMP 5. A typical monitoring system combines categories 1, 3, 4 and 5.
CategoryWhat it isScope of testing in a monitoring system
1 — infrastructure softwareOS, DBMS, network softwareinfrastructure qualification, documentation of versions
3 — non-configured softwarefirmware of sensors and controllersverification of operation within the system
4 — configured softwareSCADA platform with configuration of points, thresholds, reports and rolesverification of the configuration and critical functions
5 — custom softwarecustom-developed modules, integrationsfull lifecycle: specifications, code review, unit and integration tests

The V-model and documentation

V-model for validation of a computerized monitoring system: URS, FS, configuration, IQ, OQ, PQ
Each level of specification is verified by a corresponding testing stage.
DocumentContents
Validation plansystem boundaries, roles, software categories, approach, completion criteria
Risk assessmentfunctions that affect product quality and data integrity, and the depth of their testing
URSuser requirements: points, intervals, thresholds, alerts, reports, retention, access
FS and configuration specificationhow the system meets the requirements: list of points, addressing, thresholds, roles, report templates
IQ protocol and reportinstalled according to specification: software versions, sensor serial numbers and verification, network, UPS, time
OQ protocol and reportfunctions work: measurement, archive, alarms, escalation, audit trail, backup
PQ protocol and reportthe system works under real conditions: shifts, weekends, staff response
Traceability matrixeach requirement is linked to a test and its result
Validation reportsummary, deviations and their closure, decision on release for operation

Typical OQ tests

FunctionTestAcceptance criterion
Channel accuracycomparison of readings with a reference thermometer at an operating pointdifference within the instrument’s accuracy
Recording intervalcheck of timestamps in the archive over 24 hoursinterval matches the configuration, no gaps
High-limit alarmheating the sensor above the thresholdevent and alert within the set delay
Escalationthe alarm is not acknowledgedmessage sent to the second tier of recipients
Loss of connectiondisconnecting a sensor or linetechnical alarm; after recovery, the buffer is uploaded
Power failuredisconnecting 220 V in the control cabinetoperation on UPS, power event logged, no data lost
Audit trailthreshold change by an administratorrecord: who, when, old and new value, reason
Data protectionattempt to change an archived valuenot possible, the attempt is logged
Access rightslogin with the operator roleadministrator functions unavailable
Backuprestoring the archive on a test serverdata match the original
Reportsgenerating a log for a periodvalues match the archive, deviations highlighted

Data integrity: ALCOA+

PrincipleHow it is verified
Attributableeach value is linked to a sensor, each action to a user
Legibledata are available in a readable form throughout the retention period
Contemporaneousrecorded at the time of measurement, with synchronized time
Originalraw values are stored, not recalculated ones
Accurateverified sensors, tested conversions
+ complete, consistent, enduring, availableno gaps, buffering, backups, export at the inspector’s request

After go-live

  • Change control. Adding points, changing thresholds and updating software are assessed for risk and, where necessary, followed by repeat testing.
  • Periodic review. Once a year — analysis of incidents, changes, users and permissions, and backup results.
  • Access management. Staff departures and role changes are reflected in the system immediately.
  • Verification. Sensor replacements are recorded in the maintenance log with serial numbers.

Frequently asked questions

Does a pharmacy have to validate its monitoring system?

Order No. 259n does not impose a direct obligation on pharmacies, but the electronic log must be reliable and secure. For pharmacy chains with a centralized system, simplified verification of functions is good practice.

How long does validation take?

For a typical warehouse system — 2 to 6 weeks, depending on the number of points, integrations and the amount of custom software.

Does validation have to be repeated after a software update?

The change is assessed for risk: minor updates require regression testing of the affected functions, while significant ones require repeating part of the OQ tests.

What is 21 CFR Part 11?

The US Food and Drug Administration (FDA) requirements for electronic records and electronic signatures. They are not mandatory in Russia, but are applied by manufacturers who export and are often used as a benchmark.

Need mapping or qualification? Send us your floor plan — we will calculate the number of points and the timeline.

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