Centrifuge IQ,OQ and when it might be a requirement

Last year, we looked at IQ,OQ for general laboratory equipment, but how does this differ to centrifuge IQ, OQ? In this months blog, we will define centrifuge IQ,OQ and understand when it is a requirement and for whom.

What is centrifuge IQ,OQ?

In laboratory, pharmaceutical and GMP-regulated environments, IQ and OQ are validation stages used to qualify equipment such as a centrifuge.

1. IQ — Installation Qualification

Definition:
Documented verification that the centrifuge is installed correctly according to manufacturer specifications, engineering drawings and regulatory requirements.

Purpose:
To confirm the equipment is properly received, installed and configured before operation.

Typical IQ Activities for a Centrifuge:

• Verification of model and serial number.
• Confirmation of correct installation location (e.g., cleanroom classification if applicable).
• Utility checks (power supply, voltage, grounding).
• Verification of rotor compatibility and configuration.
• Safety feature verification (lid lock, imbalance detection, emergency stop).
• Calibration status of built-in sensors (speed, temperature, timer).
• Review of manuals, certificates and documentation.
• Documentation of environmental conditions (room temperature, ventilation).

Outcome:
Formal approval that the centrifuge installation meets predefined specifications.

2. OQ — Operational Qualification

Definition:
Documented verification that the centrifuge operates as intended throughout its specified operating ranges.

Purpose:
To confirm functional performance under controlled conditions.

Typical OQ Tests for a Centrifuge:

• RPM verification across operating range (e.g., 500–15,000 rpm).
• RCF (relative centrifugal force) accuracy testing.
• Temperature control verification (if refrigerated centrifuge).
• Timer accuracy testing.
• Acceleration/deceleration profile verification.
• Alarm and interlock testing.
• Imbalance detection functionality.
• Reproducibility testing.

Testing is usually performed using calibrated tachometers, temperature probes and reference standards.

Outcome:
Documented evidence that the centrifuge performs within defined acceptance criteria.

Context in Validation Lifecycle

For GMP-regulated environments (e.g., pharmaceutical manufacturing), centrifuge qualification is typically:

1. DQ — Design Qualification (optional depending on risk level).
2. IQ — Installation Qualification.
3. OQ — Operational Qualification.
4. PQ — Performance Qualification (verification under real process conditions).

Summary table

IQ	Installation	Was it installed correctly?
OQ	Operation	Does it operate according to specifications?
PQ	Performance	Does it perform consistently in real use?

When is IQ, OQ for a centrifuge needed?

IQ/OQ for a centrifuge is required based on regulatory status, risk classification and intended use. The trigger is not the equipment itself, but whether it affects product quality, patient safety, data integrity, or regulated decisions. Below is a structured breakdown.

1. IQ/OQ Is Required When the Centrifuge Is Used in Regulated Environments

A. Pharmaceutical / GMP Manufacturing

Regulations:

• U.S. Food and Drug Administration (21 CFR Parts 210/211).
• European Medicines Agency (EU GMP Annex 15).

IQ/OQ is required if the centrifuge:

• Is used in API or drug product manufacturing.
• Impacts product sterility, purity or yield.
• Is part of validated process steps.
• Is included in a quality system subject to GMP inspection.

Here it becomes part of the equipment qualification lifecycle (DQ/IQ/OQ/PQ).

B. Medical Device Manufacturing

Regulation:

• U.S. Food and Drug Administration (21 CFR Part 820).
• ISO 13485.

IQ/OQ is required if:

• The centrifuge affects device characteristics.
• It supports validated processes.
• It influences acceptance/release criteria.

C. GLP / Regulated Testing Laboratories

Regulation:

• U.S. Food and Drug Administration (21 CFR Part 58).
• ISO 17025 (if accredited lab).

Required if:

• Centrifuge impacts reportable test results.
• It is used for regulated analytical testing.

It supports batch release, stability or validation studies.

2. IQ/OQ Is Needed After Specific Events

Even in regulated environments, qualification is required when:

1. New Equipment Installation

• First installation.
• Replacement unit.
• Relocation to a new classified area.

2. Major Repair or Modification

• Motor replacement.
• Control board replacement.
• Software upgrade.
• Rotor system change.
• Temperature control repair.

3. Change of Intended Use

• From research use → GMP production.
• From general lab → stability testing.

4. After Long-Term Storage (Risk-Based)

3. IQ/OQ Is Typically NOT Required When

• Used for basic academic research.
• Used in non-regulated industrial R&D.
• Not impacting regulated product or data.
• In teaching laboratories.

In those environments, installation check and calibration is usually sufficient.

4. Risk-Based Approach (Modern Expectation)

Under current validation guidance (e.g., EU GMP Annex 15 and ISPE Baseline Guide), qualification level is based on:

• Direct product contact?
• Affects critical quality attributes (CQA)?
• Affects critical process parameters (CPP)?
• Impacts electronic data integrity?

If low risk, documentation may be streamlined.
If high risk, full IQ/OQ is mandatory.

Practical Decision Rule

An centrifuge IQ, OQ requirement will depend on your situation, industry and unique requirements. As a general rule, you should ask yourself the following question:

“If this centrifuge fails or runs incorrectly, could it affect product quality, patient safety, or regulatory decisions?”

If the answer is ‘yes’, then you should consider performing an IQ, OQ of your centrifuge. If the answer is ‘no’, then it is likely not to be required.

How Henderson Biomedical can help

Henderson Biomedical is able to perform a full centrifuge IQ, OQ at your site at a time convenient to you. For more information on how we can help you, please complete our online form or call us on 020 8663 4610.