20 Apr Linear participates in the External Quality Assurance (AAB) U.S.

American Association of Bioanalysts (AAB) Proficiency Testing Service (PTS) is one of the nation’s largest full-service proficiency testing programs, servicing more than 6,500 clinical testing centers.
 It is approved for all analytes by Clinical Laboratory Improvements Amendments (CLIA), Joint Commission on Accreditation of Healthcare Organizations (JCAHO), Centers for Medicaid and Medicare Service (CMS), COLA, and all state agencies to satisfy proficiency testing requirements.
AAB Proficiency Testing Service began offering comprehensive external quality control PT programs in 1949. Since then, AAB Proficiency Testing Service has made comprehensive external quality control programs available to every individual and clinical laboratory wishing to participate. These programs are updated continuously and meet the needs of evolving techniques and concepts in the 21st Century Laboratory.