Precision in Testing: ISO/IEC 17025 Assurance

Any testing or calibration laboratory—across industries such as pharmaceuticals, food, environmental, materials, or electronics—seeking formal recognition of technical competence and internationally accepted test/calibration results must obtain ISO 17025 accreditation and NABL approval.

Accreditation ensures:
• Technical competence through peer assessment of methods, staff, and equipment.
• Reliable, traceable results accepted nationally and via ILAC mutual recognition arrangements.
• Regulatory and customer confidence in laboratory reports.
• Reduction of re-testing and cost savings by avoiding duplicate assessments.

1. Application Submission: CAB applies to NABL with scope details.
2. Document Review: Lead assessor examines quality manual and procedures.
3. Pre-assessment Visit: Optional readiness survey.
4. Final Assessment: On-site evaluation of technical competence and management system.
5. Report Scrutiny & Accreditation Committee Review: NABL secretariat and committee examine findings.
6. Certificate Issuance: Upon satisfactory corrective actions, NABL grants accreditation.
7. Surveillance & Re-assessment: Annual surveillance audits and re-assessment every two years.

Required documentation includes:
• Quality Manual and scope of activities.
• Standard Operating Procedures (SOPs) for sampling, testing, calibration, and data management.
• Equipment calibration and maintenance records.
• Measurement uncertainty and validation records.
• Proficiency testing or inter-laboratory comparison results.
• Internal audit reports and management review minutes.

The timeline from application to certificate issuance is usually 6–12 months, depending on the laboratory’s readiness, scope complexity, and promptness in addressing corrective actions identified during assessments.

Costs vary by scope and consultancy support. Key expenses include:
• Application and document review fees.
• Assessor travel and audit fees (based on audit days).
• Consultancy or training fees for gap remediation.
• Annual surveillance and re-assessment fees.
Overall investment for small labs often ranges INR 200 000–500 000, while larger multi-discipline laboratories incur higher costs.

• Surveillance Audits: Annual visits to verify ongoing compliance and corrective action closure.
• Re-assessment: Comprehensive evaluation every two years to renew accreditation.

Laboratories must conduct periodic internal audits to verify SOP adherence, equipment performance, and data integrity. Management reviews evaluate audit outcomes, non-conformities, and customer feedback, driving continual improvement and risk-based corrective actions.

Post-accreditation services include:
• Surveillance audit readiness and corrective action tracking.
• Management review facilitation and review report preparation.
• Updates on NABL policies and ISO 17025 revisions.
• Proficiency testing coordination and inter-laboratory comparisons.
• Refresher training for staff on technical and quality requirements.