Veterinary Laboratory Accreditation Program

The National Animal Health Laboratory Network (NAHLN) accepts A2LA accreditation within the Veterinary Laboratory Accreditation Program as part of their approval process for disease surveillance and testing laboratories.

The goal of A2LA’s Veterinary Laboratory Accreditation Program is to promote the health of both privately- and commercially-owned animals through the accreditation of veterinary and animal drug testing laboratories. This program was developed to evaluate diagnostic and clinical veterinary laboratories that conduct commercial, government, academic, and international veterinary testing in areas including but not limited to:

  • Infectious disease diagnostics
  • Disease surveillance
  • Virology
  • Pathology
  • Microbiology
  • Immunology

The program also covers screening for growth promoters and drug/chemical residue as in the following domains:

  • Antibiotics
  • Antihelmethetics
  • Pesticides
  • Metals
  • Organics
  • GMO

This specialty program is covered by the A2LA chemical and biological fields of testing.

Program Requirements

  • ISO/IEC 17025 General Requirements for the Competence of Testing and Calibration Laboratories
  • Optional Program Requirements:
    • World Organization for Animal Health (OIE) Quality Standard and Guidelines for Veterinary Laboratories: Infectious Diseases, 2008
      • The World Organization for Animal Health formed in 1924 as the Office International des Epizooties (OIE) and is still known by the initials of the original organization's name. It is an intergovernmental organization with a mandate from its 172 member countries and territories to improve animal health worldwide. The OIE elaborates standards that ensure the safety of world trade in animals and animal products and also provides standards for animal disease surveillance, prevention, and control methods, including laboratory diagnostic and vaccine quality.  The OIE no longer publishes the 2008 standard, however, the requirements are built into A2LA’s C211 - Specific Checklist: Combined ISO/IEC 17025 and Veterinary Laboratory Accreditation Program checklist and will be made available to applicants once they have purchased ISO/IEC 17025.


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